6997640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13457}}^1$

素因数の和:13481

約数の個数: 32

約数和(自身を含む): 16957080

約数和(自身を除く): 9959440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13457, 26914, 53828, 67285, 107656, 134570, 174941, 269140, 349882, 538280, 699764, 874705, 1399528, 1749410, 3498820, 6997640]

約数ペア:

[(1, 6997640), (2, 3498820), (4, 1749410), (5, 1399528), (8, 874705), (10, 699764), (13, 538280), (20, 349882), (26, 269140), (40, 174941), (52, 134570), (65, 107656), (104, 67285), (130, 53828), (260, 26914), (520, 13457)]