1797640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 4357080

約数和(自身を除く): 2559440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3457, 6914, 13828, 17285, 27656, 34570, 44941, 69140, 89882, 138280, 179764, 224705, 359528, 449410, 898820, 1797640]

約数ペア:

[(1, 1797640), (2, 898820), (4, 449410), (5, 359528), (8, 224705), (10, 179764), (13, 138280), (20, 89882), (26, 69140), (40, 44941), (52, 34570), (65, 27656), (104, 17285), (130, 13828), (260, 6914), (520, 3457)]