25404820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2297}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 61770240

約数和(自身を除く): 36365420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2297, 2765, 4594, 5530, 9188, 11060, 11485, 16079, 22970, 32158, 45940, 64316, 80395, 160790, 181463, 321580, 362926, 725852, 907315, 1270241, 1814630, 2540482, 3629260, 5080964, 6351205, 12702410, 25404820]

約数ペア:

[(1, 25404820), (2, 12702410), (4, 6351205), (5, 5080964), (7, 3629260), (10, 2540482), (14, 1814630), (20, 1270241), (28, 907315), (35, 725852), (70, 362926), (79, 321580), (140, 181463), (158, 160790), (316, 80395), (395, 64316), (553, 45940), (790, 32158), (1106, 22970), (1580, 16079), (2212, 11485), (2297, 11060), (2765, 9188), (4594, 5530)]