22543240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2671}}^1$

素因数の和:2893

約数の個数: 32

約数和(自身を含む): 50981760

約数和(自身を除く): 28438520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2671, 4220, 5342, 8440, 10684, 13355, 21368, 26710, 53420, 106840, 563581, 1127162, 2254324, 2817905, 4508648, 5635810, 11271620, 22543240]

約数ペア:

[(1, 22543240), (2, 11271620), (4, 5635810), (5, 4508648), (8, 2817905), (10, 2254324), (20, 1127162), (40, 563581), (211, 106840), (422, 53420), (844, 26710), (1055, 21368), (1688, 13355), (2110, 10684), (2671, 8440), (4220, 5342)]