25730140

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1567}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 54133632

約数和(自身を除く): 28403492

約数列:

[1, 2, 4, 5, 10, 20, 821, 1567, 1642, 3134, 3284, 4105, 6268, 7835, 8210, 15670, 16420, 31340, 1286507, 2573014, 5146028, 6432535, 12865070, 25730140]

約数ペア:

[(1, 25730140), (2, 12865070), (4, 6432535), (5, 5146028), (10, 2573014), (20, 1286507), (821, 31340), (1567, 16420), (1642, 15670), (3134, 8210), (3284, 7835), (4105, 6268)]