90002180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{95747}}^1$

素因数の和:95803

約数の個数: 24

約数和(自身を含む): 193027968

約数和(自身を除く): 103025788

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 95747, 191494, 382988, 478735, 957470, 1914940, 4500109, 9000218, 18000436, 22500545, 45001090, 90002180]

約数ペア:

[(1, 90002180), (2, 45001090), (4, 22500545), (5, 18000436), (10, 9000218), (20, 4500109), (47, 1914940), (94, 957470), (188, 478735), (235, 382988), (470, 191494), (940, 95747)]