81262640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35027}}^1$

素因数の和:35069

約数の個数: 40

約数和(自身を含む): 195456240

約数和(自身を除く): 114193600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 35027, 70054, 140108, 175135, 280216, 350270, 560432, 700540, 1015783, 1401080, 2031566, 2802160, 4063132, 5078915, 8126264, 10157830, 16252528, 20315660, 40631320, 81262640]

約数ペア:

[(1, 81262640), (2, 40631320), (4, 20315660), (5, 16252528), (8, 10157830), (10, 8126264), (16, 5078915), (20, 4063132), (29, 2802160), (40, 2031566), (58, 1401080), (80, 1015783), (116, 700540), (145, 560432), (232, 350270), (290, 280216), (464, 175135), (580, 140108), (1160, 70054), (2320, 35027)]