2796560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2689}}^1$

素因数の和:2715

約数の個数: 40

約数和(自身を含む): 7004760

約数和(自身を除く): 4208200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2689, 5378, 10756, 13445, 21512, 26890, 34957, 43024, 53780, 69914, 107560, 139828, 174785, 215120, 279656, 349570, 559312, 699140, 1398280, 2796560]

約数ペア:

[(1, 2796560), (2, 1398280), (4, 699140), (5, 559312), (8, 349570), (10, 279656), (13, 215120), (16, 174785), (20, 139828), (26, 107560), (40, 69914), (52, 53780), (65, 43024), (80, 34957), (104, 26890), (130, 21512), (208, 13445), (260, 10756), (520, 5378), (1040, 2689)]