25339700

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1823}}^1$

素因数の和:1976

約数の個数: 36

約数和(自身を含む): 55413120

約数和(自身を除く): 30073420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 556, 695, 1390, 1823, 2780, 3475, 3646, 6950, 7292, 9115, 13900, 18230, 36460, 45575, 91150, 182300, 253397, 506794, 1013588, 1266985, 2533970, 5067940, 6334925, 12669850, 25339700]

約数ペア:

[(1, 25339700), (2, 12669850), (4, 6334925), (5, 5067940), (10, 2533970), (20, 1266985), (25, 1013588), (50, 506794), (100, 253397), (139, 182300), (278, 91150), (556, 45575), (695, 36460), (1390, 18230), (1823, 13900), (2780, 9115), (3475, 7292), (3646, 6950)]