28722850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{44189}}^1$

素因数の和:44214

約数の個数: 24

約数和(自身を含む): 57535380

約数和(自身を除く): 28812530

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 44189, 88378, 220945, 441890, 574457, 1104725, 1148914, 2209450, 2872285, 5744570, 14361425, 28722850]

約数ペア:

[(1, 28722850), (2, 14361425), (5, 5744570), (10, 2872285), (13, 2209450), (25, 1148914), (26, 1104725), (50, 574457), (65, 441890), (130, 220945), (325, 88378), (650, 44189)]