71208080

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7877}}^1$

素因数の和:8003

約数の個数: 40

約数和(自身を含む): 167045112

約数和(自身を除く): 95837032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7877, 9040, 15754, 31508, 39385, 63016, 78770, 126032, 157540, 315080, 630160, 890101, 1780202, 3560404, 4450505, 7120808, 8901010, 14241616, 17802020, 35604040, 71208080]

約数ペア:

[(1, 71208080), (2, 35604040), (4, 17802020), (5, 14241616), (8, 8901010), (10, 7120808), (16, 4450505), (20, 3560404), (40, 1780202), (80, 890101), (113, 630160), (226, 315080), (452, 157540), (565, 126032), (904, 78770), (1130, 63016), (1808, 39385), (2260, 31508), (4520, 15754), (7877, 9040)]