40852480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 88

約数和(自身を含む): 100221120

約数和(自身を除く): 59368640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 101, 128, 158, 160, 202, 256, 316, 320, 395, 404, 505, 512, 632, 640, 790, 808, 1010, 1024, 1264, 1280, 1580, 1616, 2020, 2528, 2560, 3160, 3232, 4040, 5056, 5120, 6320, 6464, 7979, 8080, 10112, 12640, 12928, 15958, 16160, 20224, 25280, 25856, 31916, 32320, 39895, 40448, 50560, 51712, 63832, 64640, 79790, 80896, 101120, 103424, 127664, 129280, 159580, 202240, 255328, 258560, 319160, 404480, 510656, 517120, 638320, 1021312, 1276640, 2042624, 2553280, 4085248, 5106560, 8170496, 10213120, 20426240, 40852480]

約数ペア:

[(1, 40852480), (2, 20426240), (4, 10213120), (5, 8170496), (8, 5106560), (10, 4085248), (16, 2553280), (20, 2042624), (32, 1276640), (40, 1021312), (64, 638320), (79, 517120), (80, 510656), (101, 404480), (128, 319160), (158, 258560), (160, 255328), (202, 202240), (256, 159580), (316, 129280), (320, 127664), (395, 103424), (404, 101120), (505, 80896), (512, 79790), (632, 64640), (640, 63832), (790, 51712), (808, 50560), (1010, 40448), (1024, 39895), (1264, 32320), (1280, 31916), (1580, 25856), (1616, 25280), (2020, 20224), (2528, 16160), (2560, 15958), (3160, 12928), (3232, 12640), (4040, 10112), (5056, 8080), (5120, 7979), (6320, 6464)]