180089740

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{4327}}^1$

素因数の和:6417

約数の個数: 24

約数和(自身を含む): 378457632

約数和(自身を除く): 198367892

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 4327, 8324, 8654, 10405, 17308, 20810, 21635, 41620, 43270, 86540, 9004487, 18008974, 36017948, 45022435, 90044870, 180089740]

約数ペア:

[(1, 180089740), (2, 90044870), (4, 45022435), (5, 36017948), (10, 18008974), (20, 9004487), (2081, 86540), (4162, 43270), (4327, 41620), (8324, 21635), (8654, 20810), (10405, 17308)]