28767700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22129}}^1$

素因数の和:22156

約数の個数: 36

約数和(自身を含む): 67230940

約数和(自身を除く): 38463240

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 22129, 44258, 88516, 110645, 221290, 287677, 442580, 553225, 575354, 1106450, 1150708, 1438385, 2212900, 2876770, 5753540, 7191925, 14383850, 28767700]

約数ペア:

[(1, 28767700), (2, 14383850), (4, 7191925), (5, 5753540), (10, 2876770), (13, 2212900), (20, 1438385), (25, 1150708), (26, 1106450), (50, 575354), (52, 553225), (65, 442580), (100, 287677), (130, 221290), (260, 110645), (325, 88516), (650, 44258), (1300, 22129)]