25423640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57781}}^1$

素因数の和:57803

約数の個数: 32

約数和(自身を含む): 62404560

約数和(自身を除く): 36980920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57781, 115562, 231124, 288905, 462248, 577810, 635591, 1155620, 1271182, 2311240, 2542364, 3177955, 5084728, 6355910, 12711820, 25423640]

約数ペア:

[(1, 25423640), (2, 12711820), (4, 6355910), (5, 5084728), (8, 3177955), (10, 2542364), (11, 2311240), (20, 1271182), (22, 1155620), (40, 635591), (44, 577810), (55, 462248), (88, 288905), (110, 231124), (220, 115562), (440, 57781)]