87284360

素因数分解:

$2^3\times 5^1\times {\mathrm{2182109}}^1$

素因数の和:2182120

約数の個数: 16

約数和(自身を含む): 196389900

約数和(自身を除く): 109105540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2182109, 4364218, 8728436, 10910545, 17456872, 21821090, 43642180, 87284360]

約数ペア:

[(1, 87284360), (2, 43642180), (4, 21821090), (5, 17456872), (8, 10910545), (10, 8728436), (20, 4364218), (40, 2182109)]