25486420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31081}}^1$

素因数の和:31131

約数の個数: 24

約数和(自身を含む): 54828648

約数和(自身を除く): 29342228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31081, 62162, 124324, 155405, 310810, 621620, 1274321, 2548642, 5097284, 6371605, 12743210, 25486420]

約数ペア:

[(1, 25486420), (2, 12743210), (4, 6371605), (5, 5097284), (10, 2548642), (20, 1274321), (41, 621620), (82, 310810), (164, 155405), (205, 124324), (410, 62162), (820, 31081)]