9969571760

素因数分解:

$2^4\times 5^1\times {\mathrm{124619647}}^1$

素因数の和:124619660

約数の個数: 20

約数和(自身を含む): 23179254528

約数和(自身を除く): 13209682768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124619647, 249239294, 498478588, 623098235, 996957176, 1246196470, 1993914352, 2492392940, 4984785880, 9969571760]

約数ペア:

[(1, 9969571760), (2, 4984785880), (4, 2492392940), (5, 1993914352), (8, 1246196470), (10, 996957176), (16, 623098235), (20, 498478588), (40, 249239294), (80, 124619647)]