102565775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{787}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 137480784

約数和(自身を除く): 34915009

約数列:

[1, 5, 13, 25, 65, 325, 401, 787, 2005, 3935, 5213, 10025, 10231, 19675, 26065, 51155, 130325, 255775, 315587, 1577935, 4102631, 7889675, 20513155, 102565775]

約数ペア:

[(1, 102565775), (5, 20513155), (13, 7889675), (25, 4102631), (65, 1577935), (325, 315587), (401, 255775), (787, 130325), (2005, 51155), (3935, 26065), (5213, 19675), (10025, 10231)]