79577620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128351}}^1$

素因数の和:128391

約数の個数: 24

約数和(自身を含む): 172505088

約数和(自身を除く): 92927468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128351, 256702, 513404, 641755, 1283510, 2567020, 3978881, 7957762, 15915524, 19894405, 39788810, 79577620]

約数ペア:

[(1, 79577620), (2, 39788810), (4, 19894405), (5, 15915524), (10, 7957762), (20, 3978881), (31, 2567020), (62, 1283510), (124, 641755), (155, 513404), (310, 256702), (620, 128351)]