12507640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6653}}^1$

素因数の和:6711

約数の個数: 32

約数和(自身を含む): 28745280

約数和(自身を除く): 16237640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6653, 13306, 26612, 33265, 53224, 66530, 133060, 266120, 312691, 625382, 1250764, 1563455, 2501528, 3126910, 6253820, 12507640]

約数ペア:

[(1, 12507640), (2, 6253820), (4, 3126910), (5, 2501528), (8, 1563455), (10, 1250764), (20, 625382), (40, 312691), (47, 266120), (94, 133060), (188, 66530), (235, 53224), (376, 33265), (470, 26612), (940, 13306), (1880, 6653)]