9965056760

素因数分解:

$2^3\times 5^1\times {\mathrm{249126419}}^1$

素因数の和:249126430

約数の個数: 16

約数和(自身を含む): 22421377800

約数和(自身を除く): 12456321040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249126419, 498252838, 996505676, 1245632095, 1993011352, 2491264190, 4982528380, 9965056760]

約数ペア:

[(1, 9965056760), (2, 4982528380), (4, 2491264190), (5, 1993011352), (8, 1245632095), (10, 996505676), (20, 498252838), (40, 249126419)]