129677980

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{18061}}^1$

素因数の和:18429

約数の個数: 24

約数和(自身を含む): 273097440

約数和(自身を除く): 143419460

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 18061, 36122, 72244, 90305, 180610, 361220, 6483899, 12967798, 25935596, 32419495, 64838990, 129677980]

約数ペア:

[(1, 129677980), (2, 64838990), (4, 32419495), (5, 25935596), (10, 12967798), (20, 6483899), (359, 361220), (718, 180610), (1436, 90305), (1795, 72244), (3590, 36122), (7180, 18061)]