15987040

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 38063088

約数和(自身を除く): 22076048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 613, 652, 815, 1226, 1304, 1630, 2452, 2608, 3065, 3260, 4904, 5216, 6130, 6520, 9808, 12260, 13040, 19616, 24520, 26080, 49040, 98080, 99919, 199838, 399676, 499595, 799352, 999190, 1598704, 1998380, 3197408, 3996760, 7993520, 15987040]

約数ペア:

[(1, 15987040), (2, 7993520), (4, 3996760), (5, 3197408), (8, 1998380), (10, 1598704), (16, 999190), (20, 799352), (32, 499595), (40, 399676), (80, 199838), (160, 99919), (163, 98080), (326, 49040), (613, 26080), (652, 24520), (815, 19616), (1226, 13040), (1304, 12260), (1630, 9808), (2452, 6520), (2608, 6130), (3065, 5216), (3260, 4904)]