80651590

素因数分解:

$2^1\times 5^1\times {\mathrm{2819}}^1\times {\mathrm{2861}}^1$

素因数の和:5687

約数の個数: 16

約数和(自身を含む): 145275120

約数和(自身を除く): 64623530

約数列:

[1, 2, 5, 10, 2819, 2861, 5638, 5722, 14095, 14305, 28190, 28610, 8065159, 16130318, 40325795, 80651590]

約数ペア:

[(1, 80651590), (2, 40325795), (5, 16130318), (10, 8065159), (2819, 28610), (2861, 28190), (5638, 14305), (5722, 14095)]