814736060

素因数分解:

$2^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{20399}}^1$

素因数の和:22405

約数の個数: 24

約数和(自身を含む): 1711886400

約数和(自身を除く): 897150340

約数列:

[1, 2, 4, 5, 10, 20, 1997, 3994, 7988, 9985, 19970, 20399, 39940, 40798, 81596, 101995, 203990, 407980, 40736803, 81473606, 162947212, 203684015, 407368030, 814736060]

約数ペア:

[(1, 814736060), (2, 407368030), (4, 203684015), (5, 162947212), (10, 81473606), (20, 40736803), (1997, 407980), (3994, 203990), (7988, 101995), (9985, 81596), (19970, 40798), (20399, 39940)]