12913400

素因数分解:

$2^3\times 5^2\times {\mathrm{64567}}^1$

素因数の和:64583

約数の個数: 24

約数和(自身を含む): 30024120

約数和(自身を除く): 17110720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64567, 129134, 258268, 322835, 516536, 645670, 1291340, 1614175, 2582680, 3228350, 6456700, 12913400]

約数ペア:

[(1, 12913400), (2, 6456700), (4, 3228350), (5, 2582680), (8, 1614175), (10, 1291340), (20, 645670), (25, 516536), (40, 322835), (50, 258268), (100, 129134), (200, 64567)]