426903640

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{50581}}^1$

素因数の和:50803

約数の個数: 32

約数和(自身を含む): 965104560

約数和(自身を除く): 538200920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 50581, 101162, 202324, 252905, 404648, 505810, 1011620, 2023240, 10672591, 21345182, 42690364, 53362955, 85380728, 106725910, 213451820, 426903640]

約数ペア:

[(1, 426903640), (2, 213451820), (4, 106725910), (5, 85380728), (8, 53362955), (10, 42690364), (20, 21345182), (40, 10672591), (211, 2023240), (422, 1011620), (844, 505810), (1055, 404648), (1688, 252905), (2110, 202324), (4220, 101162), (8440, 50581)]