68635240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55351}}^1$

素因数の和:55393

約数の個数: 32

約数和(自身を含む): 159413760

約数和(自身を除く): 90778520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55351, 110702, 221404, 276755, 442808, 553510, 1107020, 1715881, 2214040, 3431762, 6863524, 8579405, 13727048, 17158810, 34317620, 68635240]

約数ペア:

[(1, 68635240), (2, 34317620), (4, 17158810), (5, 13727048), (8, 8579405), (10, 6863524), (20, 3431762), (31, 2214040), (40, 1715881), (62, 1107020), (124, 553510), (155, 442808), (248, 276755), (310, 221404), (620, 110702), (1240, 55351)]