26555420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18701}}^1$

素因数の和:18781

約数の個数: 24

約数和(自身を含む): 56554848

約数和(自身を除く): 29999428

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18701, 37402, 74804, 93505, 187010, 374020, 1327771, 2655542, 5311084, 6638855, 13277710, 26555420]

約数ペア:

[(1, 26555420), (2, 13277710), (4, 6638855), (5, 5311084), (10, 2655542), (20, 1327771), (71, 374020), (142, 187010), (284, 93505), (355, 74804), (710, 37402), (1420, 18701)]