159155240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128351}}^1$

素因数の和:128393

約数の個数: 32

約数和(自身を含む): 369653760

約数和(自身を除く): 210498520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 128351, 256702, 513404, 641755, 1026808, 1283510, 2567020, 3978881, 5134040, 7957762, 15915524, 19894405, 31831048, 39788810, 79577620, 159155240]

約数ペア:

[(1, 159155240), (2, 79577620), (4, 39788810), (5, 31831048), (8, 19894405), (10, 15915524), (20, 7957762), (31, 5134040), (40, 3978881), (62, 2567020), (124, 1283510), (155, 1026808), (248, 641755), (310, 513404), (620, 256702), (1240, 128351)]