12494920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1307}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 28252800

約数和(自身を除く): 15757880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1307, 1912, 2390, 2614, 4780, 5228, 6535, 9560, 10456, 13070, 26140, 52280, 312373, 624746, 1249492, 1561865, 2498984, 3123730, 6247460, 12494920]

約数ペア:

[(1, 12494920), (2, 6247460), (4, 3123730), (5, 2498984), (8, 1561865), (10, 1249492), (20, 624746), (40, 312373), (239, 52280), (478, 26140), (956, 13070), (1195, 10456), (1307, 9560), (1912, 6535), (2390, 5228), (2614, 4780)]