25284140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{577}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 60981312

約数和(自身を除く): 35697172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 577, 626, 1154, 1252, 1565, 2191, 2308, 2885, 3130, 4039, 4382, 5770, 6260, 8078, 8764, 10955, 11540, 16156, 20195, 21910, 40390, 43820, 80780, 180601, 361202, 722404, 903005, 1264207, 1806010, 2528414, 3612020, 5056828, 6321035, 12642070, 25284140]

約数ペア:

[(1, 25284140), (2, 12642070), (4, 6321035), (5, 5056828), (7, 3612020), (10, 2528414), (14, 1806010), (20, 1264207), (28, 903005), (35, 722404), (70, 361202), (140, 180601), (313, 80780), (577, 43820), (626, 40390), (1154, 21910), (1252, 20195), (1565, 16156), (2191, 11540), (2308, 10955), (2885, 8764), (3130, 8078), (4039, 6260), (4382, 5770)]