12550280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1487}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 28391040

約数和(自身を除く): 15840760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1487, 1688, 2110, 2974, 4220, 5948, 7435, 8440, 11896, 14870, 29740, 59480, 313757, 627514, 1255028, 1568785, 2510056, 3137570, 6275140, 12550280]

約数ペア:

[(1, 12550280), (2, 6275140), (4, 3137570), (5, 2510056), (8, 1568785), (10, 1255028), (20, 627514), (40, 313757), (211, 59480), (422, 29740), (844, 14870), (1055, 11896), (1487, 8440), (1688, 7435), (2110, 5948), (2974, 4220)]