70747720

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2803}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 159491520

約数和(自身を除く): 88743800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 2803, 3155, 5048, 5606, 6310, 11212, 12620, 14015, 22424, 25240, 28030, 56060, 112120, 1768693, 3537386, 7074772, 8843465, 14149544, 17686930, 35373860, 70747720]

約数ペア:

[(1, 70747720), (2, 35373860), (4, 17686930), (5, 14149544), (8, 8843465), (10, 7074772), (20, 3537386), (40, 1768693), (631, 112120), (1262, 56060), (2524, 28030), (2803, 25240), (3155, 22424), (5048, 14015), (5606, 12620), (6310, 11212)]