25879240

素因数分解:

$2^3\times 5^1\times {\mathrm{646981}}^1$

素因数の和:646992

約数の個数: 16

約数和(自身を含む): 58228380

約数和(自身を除く): 32349140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 646981, 1293962, 2587924, 3234905, 5175848, 6469810, 12939620, 25879240]

約数ペア:

[(1, 25879240), (2, 12939620), (4, 6469810), (5, 5175848), (8, 3234905), (10, 2587924), (20, 1293962), (40, 646981)]