25507580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1091}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 36133636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1091, 1169, 1670, 2182, 2338, 3340, 4364, 4676, 5455, 5845, 7637, 10910, 11690, 15274, 21820, 23380, 30548, 38185, 76370, 152740, 182197, 364394, 728788, 910985, 1275379, 1821970, 2550758, 3643940, 5101516, 6376895, 12753790, 25507580]

約数ペア:

[(1, 25507580), (2, 12753790), (4, 6376895), (5, 5101516), (7, 3643940), (10, 2550758), (14, 1821970), (20, 1275379), (28, 910985), (35, 728788), (70, 364394), (140, 182197), (167, 152740), (334, 76370), (668, 38185), (835, 30548), (1091, 23380), (1169, 21820), (1670, 15274), (2182, 11690), (2338, 10910), (3340, 7637), (4364, 5845), (4676, 5455)]