80239160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64709}}^1$

素因数の和:64751

約数の個数: 32

約数和(自身を含む): 186364800

約数和(自身を除く): 106125640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64709, 129418, 258836, 323545, 517672, 647090, 1294180, 2005979, 2588360, 4011958, 8023916, 10029895, 16047832, 20059790, 40119580, 80239160]

約数ペア:

[(1, 80239160), (2, 40119580), (4, 20059790), (5, 16047832), (8, 10029895), (10, 8023916), (20, 4011958), (31, 2588360), (40, 2005979), (62, 1294180), (124, 647090), (155, 517672), (248, 323545), (310, 258836), (620, 129418), (1240, 64709)]