40204916480

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1\times {\mathrm{1013}}^1$

素因数の和:1442

約数の個数: 144

約数和(自身を含む): 97669956384

約数和(自身を除く): 57465039904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 307, 320, 404, 505, 614, 640, 808, 1010, 1013, 1228, 1280, 1535, 1616, 2020, 2026, 2456, 3070, 3232, 4040, 4052, 4912, 5065, 6140, 6464, 8080, 8104, 9824, 10130, 12280, 12928, 16160, 16208, 19648, 20260, 24560, 25856, 31007, 32320, 32416, 39296, 40520, 49120, 62014, 64640, 64832, 78592, 81040, 98240, 102313, 124028, 129280, 129664, 155035, 162080, 196480, 204626, 248056, 259328, 310070, 310991, 324160, 392960, 409252, 496112, 511565, 620140, 621982, 648320, 818504, 992224, 1023130, 1240280, 1243964, 1296640, 1554955, 1637008, 1984448, 2046260, 2480560, 2487928, 3109910, 3274016, 3968896, 4092520, 4961120, 4975856, 6219820, 6548032, 7937792, 8185040, 9922240, 9951712, 12439640, 13096064, 16370080, 19844480, 19903424, 24879280, 26192128, 31410091, 32740160, 39688960, 39806848, 49758560, 62820182, 65480320, 79613696, 99517120, 125640364, 130960640, 157050455, 199034240, 251280728, 314100910, 398068480, 502561456, 628201820, 1005122912, 1256403640, 2010245824, 2512807280, 4020491648, 5025614560, 8040983296, 10051229120, 20102458240, 40204916480]

約数ペア:

[(1, 40204916480), (2, 20102458240), (4, 10051229120), (5, 8040983296), (8, 5025614560), (10, 4020491648), (16, 2512807280), (20, 2010245824), (32, 1256403640), (40, 1005122912), (64, 628201820), (80, 502561456), (101, 398068480), (128, 314100910), (160, 251280728), (202, 199034240), (256, 157050455), (307, 130960640), (320, 125640364), (404, 99517120), (505, 79613696), (614, 65480320), (640, 62820182), (808, 49758560), (1010, 39806848), (1013, 39688960), (1228, 32740160), (1280, 31410091), (1535, 26192128), (1616, 24879280), (2020, 19903424), (2026, 19844480), (2456, 16370080), (3070, 13096064), (3232, 12439640), (4040, 9951712), (4052, 9922240), (4912, 8185040), (5065, 7937792), (6140, 6548032), (6464, 6219820), (8080, 4975856), (8104, 4961120), (9824, 4092520), (10130, 3968896), (12280, 3274016), (12928, 3109910), (16160, 2487928), (16208, 2480560), (19648, 2046260), (20260, 1984448), (24560, 1637008), (25856, 1554955), (31007, 1296640), (32320, 1243964), (32416, 1240280), (39296, 1023130), (40520, 992224), (49120, 818504), (62014, 648320), (64640, 621982), (64832, 620140), (78592, 511565), (81040, 496112), (98240, 409252), (102313, 392960), (124028, 324160), (129280, 310991), (129664, 310070), (155035, 259328), (162080, 248056), (196480, 204626)]