25075240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2971}}^1$

素因数の和:3193

約数の個数: 32

約数和(自身を含む): 56705760

約数和(自身を除く): 31630520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 2971, 4220, 5942, 8440, 11884, 14855, 23768, 29710, 59420, 118840, 626881, 1253762, 2507524, 3134405, 5015048, 6268810, 12537620, 25075240]

約数ペア:

[(1, 25075240), (2, 12537620), (4, 6268810), (5, 5015048), (8, 3134405), (10, 2507524), (20, 1253762), (40, 626881), (211, 118840), (422, 59420), (844, 29710), (1055, 23768), (1688, 14855), (2110, 11884), (2971, 8440), (4220, 5942)]