25227580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 60834816

約数和(自身を除く): 35607236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367, 491, 734, 982, 1468, 1835, 1964, 2455, 2569, 3437, 3670, 4910, 5138, 6874, 7340, 9820, 10276, 12845, 13748, 17185, 25690, 34370, 51380, 68740, 180197, 360394, 720788, 900985, 1261379, 1801970, 2522758, 3603940, 5045516, 6306895, 12613790, 25227580]

約数ペア:

[(1, 25227580), (2, 12613790), (4, 6306895), (5, 5045516), (7, 3603940), (10, 2522758), (14, 1801970), (20, 1261379), (28, 900985), (35, 720788), (70, 360394), (140, 180197), (367, 68740), (491, 51380), (734, 34370), (982, 25690), (1468, 17185), (1835, 13748), (1964, 12845), (2455, 10276), (2569, 9820), (3437, 7340), (3670, 6874), (4910, 5138)]