25701740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21067}}^1$

素因数の和:21137

約数の個数: 24

約数和(自身を含む): 54861072

約数和(自身を除く): 29159332

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21067, 42134, 84268, 105335, 210670, 421340, 1285087, 2570174, 5140348, 6425435, 12850870, 25701740]

約数ペア:

[(1, 25701740), (2, 12850870), (4, 6425435), (5, 5140348), (10, 2570174), (20, 1285087), (61, 421340), (122, 210670), (244, 105335), (305, 84268), (610, 42134), (1220, 21067)]