1640993990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{170759}}^1$

素因数の和:170828

約数の個数: 24

約数和(自身を含む): 3052164240

約数和(自身を除く): 1411170250

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 9610, 170759, 341518, 853795, 1707590, 5293529, 10587058, 26467645, 52935290, 164099399, 328198798, 820496995, 1640993990]

約数ペア:

[(1, 1640993990), (2, 820496995), (5, 328198798), (10, 164099399), (31, 52935290), (62, 26467645), (155, 10587058), (310, 5293529), (961, 1707590), (1922, 853795), (4805, 341518), (9610, 170759)]