1557680

素因数分解:

$2^4\times 5^1\times {\mathrm{19471}}^1$

素因数の和:19484

約数の個数: 20

約数和(自身を含む): 3621792

約数和(自身を除く): 2064112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19471, 38942, 77884, 97355, 155768, 194710, 311536, 389420, 778840, 1557680]

約数ペア:

[(1, 1557680), (2, 778840), (4, 389420), (5, 311536), (8, 194710), (10, 155768), (16, 97355), (20, 77884), (40, 38942), (80, 19471)]