157992080

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{17477}}^1$

素因数の和:17603

約数の個数: 40

約数和(自身を含む): 370603512

約数和(自身を除く): 212611432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 17477, 34954, 69908, 87385, 139816, 174770, 279632, 349540, 699080, 1398160, 1974901, 3949802, 7899604, 9874505, 15799208, 19749010, 31598416, 39498020, 78996040, 157992080]

約数ペア:

[(1, 157992080), (2, 78996040), (4, 39498020), (5, 31598416), (8, 19749010), (10, 15799208), (16, 9874505), (20, 7899604), (40, 3949802), (80, 1974901), (113, 1398160), (226, 699080), (452, 349540), (565, 279632), (904, 174770), (1130, 139816), (1808, 87385), (2260, 69908), (4520, 34954), (9040, 17477)]