87722960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84349}}^1$

素因数の和:84375

約数の個数: 40

約数和(自身を含む): 219647400

約数和(自身を除く): 131924440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 84349, 168698, 337396, 421745, 674792, 843490, 1096537, 1349584, 1686980, 2193074, 3373960, 4386148, 5482685, 6747920, 8772296, 10965370, 17544592, 21930740, 43861480, 87722960]

約数ペア:

[(1, 87722960), (2, 43861480), (4, 21930740), (5, 17544592), (8, 10965370), (10, 8772296), (13, 6747920), (16, 5482685), (20, 4386148), (26, 3373960), (40, 2193074), (52, 1686980), (65, 1349584), (80, 1096537), (104, 843490), (130, 674792), (208, 421745), (260, 337396), (520, 168698), (1040, 84349)]