160427440

素因数分解:

$2^4\times 5^1\times {\mathrm{2005343}}^1$

素因数の和:2005356

約数の個数: 20

約数和(自身を含む): 372993984

約数和(自身を除く): 212566544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2005343, 4010686, 8021372, 10026715, 16042744, 20053430, 32085488, 40106860, 80213720, 160427440]

約数ペア:

[(1, 160427440), (2, 80213720), (4, 40106860), (5, 32085488), (8, 20053430), (10, 16042744), (16, 10026715), (20, 8021372), (40, 4010686), (80, 2005343)]