12643900

素因数分解:

$2^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:798

約数の個数: 36

約数和(自身を含む): 27607608

約数和(自身を除く): 14963708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 227, 454, 557, 908, 1114, 1135, 2228, 2270, 2785, 4540, 5570, 5675, 11140, 11350, 13925, 22700, 27850, 55700, 126439, 252878, 505756, 632195, 1264390, 2528780, 3160975, 6321950, 12643900]

約数ペア:

[(1, 12643900), (2, 6321950), (4, 3160975), (5, 2528780), (10, 1264390), (20, 632195), (25, 505756), (50, 252878), (100, 126439), (227, 55700), (454, 27850), (557, 22700), (908, 13925), (1114, 11350), (1135, 11140), (2228, 5675), (2270, 5570), (2785, 4540)]