80452180

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{16831}}^1$

素因数の和:17079

約数の個数: 24

約数和(自身を含む): 169666560

約数和(自身を除く): 89214380

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 16831, 33662, 67324, 84155, 168310, 336620, 4022609, 8045218, 16090436, 20113045, 40226090, 80452180]

約数ペア:

[(1, 80452180), (2, 40226090), (4, 20113045), (5, 16090436), (10, 8045218), (20, 4022609), (239, 336620), (478, 168310), (956, 84155), (1195, 67324), (2390, 33662), (4780, 16831)]