15668080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 36716400

約数和(自身を除く): 21048320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1409, 2224, 2780, 2818, 5560, 5636, 7045, 11120, 11272, 14090, 22544, 28180, 56360, 112720, 195851, 391702, 783404, 979255, 1566808, 1958510, 3133616, 3917020, 7834040, 15668080]

約数ペア:

[(1, 15668080), (2, 7834040), (4, 3917020), (5, 3133616), (8, 1958510), (10, 1566808), (16, 979255), (20, 783404), (40, 391702), (80, 195851), (139, 112720), (278, 56360), (556, 28180), (695, 22544), (1112, 14090), (1390, 11272), (1409, 11120), (2224, 7045), (2780, 5636), (2818, 5560)]