85100240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55987}}^1$

素因数の和:56019

約数の個数: 40

約数和(自身を含む): 208275360

約数和(自身を除く): 123175120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 55987, 111974, 223948, 279935, 447896, 559870, 895792, 1063753, 1119740, 2127506, 2239480, 4255012, 4478960, 5318765, 8510024, 10637530, 17020048, 21275060, 42550120, 85100240]

約数ペア:

[(1, 85100240), (2, 42550120), (4, 21275060), (5, 17020048), (8, 10637530), (10, 8510024), (16, 5318765), (19, 4478960), (20, 4255012), (38, 2239480), (40, 2127506), (76, 1119740), (80, 1063753), (95, 895792), (152, 559870), (190, 447896), (304, 279935), (380, 223948), (760, 111974), (1520, 55987)]