142195540

素因数分解:

$2^2\times 5^1\times {\mathrm{1777}}^1\times {\mathrm{4001}}^1$

素因数の和:5787

約数の個数: 24

約数和(自身を含む): 298853352

約数和(自身を除く): 156657812

約数列:

[1, 2, 4, 5, 10, 20, 1777, 3554, 4001, 7108, 8002, 8885, 16004, 17770, 20005, 35540, 40010, 80020, 7109777, 14219554, 28439108, 35548885, 71097770, 142195540]

約数ペア:

[(1, 142195540), (2, 71097770), (4, 35548885), (5, 28439108), (10, 14219554), (20, 7109777), (1777, 80020), (3554, 40010), (4001, 35540), (7108, 20005), (8002, 17770), (8885, 16004)]