25242920

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9419}}^1$

素因数の和:9497

約数の個数: 32

約数和(自身を含む): 57650400

約数和(自身を除く): 32407480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 9419, 18838, 37676, 47095, 75352, 94190, 188380, 376760, 631073, 1262146, 2524292, 3155365, 5048584, 6310730, 12621460, 25242920]

約数ペア:

[(1, 25242920), (2, 12621460), (4, 6310730), (5, 5048584), (8, 3155365), (10, 2524292), (20, 1262146), (40, 631073), (67, 376760), (134, 188380), (268, 94190), (335, 75352), (536, 47095), (670, 37676), (1340, 18838), (2680, 9419)]