80159080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117881}}^1$

素因数の和:117909

約数の個数: 32

約数和(自身を含む): 190968840

約数和(自身を除く): 110809760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 117881, 235762, 471524, 589405, 943048, 1178810, 2003977, 2357620, 4007954, 4715240, 8015908, 10019885, 16031816, 20039770, 40079540, 80159080]

約数ペア:

[(1, 80159080), (2, 40079540), (4, 20039770), (5, 16031816), (8, 10019885), (10, 8015908), (17, 4715240), (20, 4007954), (34, 2357620), (40, 2003977), (68, 1178810), (85, 943048), (136, 589405), (170, 471524), (340, 235762), (680, 117881)]