40129520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1602

約数の個数: 80

約数和(自身を含む): 104055840

約数和(自身を除く): 63926320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1553, 1615, 2584, 3106, 3230, 5168, 6212, 6460, 7765, 12424, 12920, 15530, 24848, 25840, 26401, 29507, 31060, 52802, 59014, 62120, 105604, 118028, 124240, 132005, 147535, 211208, 236056, 264010, 295070, 422416, 472112, 501619, 528020, 590140, 1003238, 1056040, 1180280, 2006476, 2112080, 2360560, 2508095, 4012952, 5016190, 8025904, 10032380, 20064760, 40129520]

約数ペア:

[(1, 40129520), (2, 20064760), (4, 10032380), (5, 8025904), (8, 5016190), (10, 4012952), (16, 2508095), (17, 2360560), (19, 2112080), (20, 2006476), (34, 1180280), (38, 1056040), (40, 1003238), (68, 590140), (76, 528020), (80, 501619), (85, 472112), (95, 422416), (136, 295070), (152, 264010), (170, 236056), (190, 211208), (272, 147535), (304, 132005), (323, 124240), (340, 118028), (380, 105604), (646, 62120), (680, 59014), (760, 52802), (1292, 31060), (1360, 29507), (1520, 26401), (1553, 25840), (1615, 24848), (2584, 15530), (3106, 12920), (3230, 12424), (5168, 7765), (6212, 6460)]