25123240

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1499}}^1$

素因数の和:1929

約数の個数: 32

約数和(自身を含む): 56700000

約数和(自身を除く): 31576760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1499, 1676, 2095, 2998, 3352, 4190, 5996, 7495, 8380, 11992, 14990, 16760, 29980, 59960, 628081, 1256162, 2512324, 3140405, 5024648, 6280810, 12561620, 25123240]

約数ペア:

[(1, 25123240), (2, 12561620), (4, 6280810), (5, 5024648), (8, 3140405), (10, 2512324), (20, 1256162), (40, 628081), (419, 59960), (838, 29980), (1499, 16760), (1676, 14990), (2095, 11992), (2998, 8380), (3352, 7495), (4190, 5996)]