9147640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3303

約数の個数: 32

約数和(自身を含む): 20878560

約数和(自身を除く): 11730920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3221, 6442, 12884, 16105, 25768, 32210, 64420, 128840, 228691, 457382, 914764, 1143455, 1829528, 2286910, 4573820, 9147640]

約数ペア:

[(1, 9147640), (2, 4573820), (4, 2286910), (5, 1829528), (8, 1143455), (10, 914764), (20, 457382), (40, 228691), (71, 128840), (142, 64420), (284, 32210), (355, 25768), (568, 16105), (710, 12884), (1420, 6442), (2840, 3221)]