64401725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{3613}}^1$

素因数の和:3677

約数の個数: 24

約数和(自身を含む): 86042112

約数和(自身を除く): 21640387

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 3613, 17825, 18065, 83099, 90325, 112003, 415495, 560015, 2077475, 2576069, 2800075, 12880345, 64401725]

約数ペア:

[(1, 64401725), (5, 12880345), (23, 2800075), (25, 2576069), (31, 2077475), (115, 560015), (155, 415495), (575, 112003), (713, 90325), (775, 83099), (3565, 18065), (3613, 17825)]