12890050

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{3631}}^1$

素因数の和:3714

約数の個数: 24

約数和(自身を含む): 24319872

約数和(自身を除く): 11429822

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 3631, 7262, 18155, 36310, 90775, 181550, 257801, 515602, 1289005, 2578010, 6445025, 12890050]

約数ペア:

[(1, 12890050), (2, 6445025), (5, 2578010), (10, 1289005), (25, 515602), (50, 257801), (71, 181550), (142, 90775), (355, 36310), (710, 18155), (1775, 7262), (3550, 3631)]