25052020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 60641280

約数和(自身を除く): 35589260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1409, 1778, 2540, 2818, 3556, 4445, 5636, 7045, 8890, 9863, 14090, 17780, 19726, 28180, 39452, 49315, 98630, 178943, 197260, 357886, 715772, 894715, 1252601, 1789430, 2505202, 3578860, 5010404, 6263005, 12526010, 25052020]

約数ペア:

[(1, 25052020), (2, 12526010), (4, 6263005), (5, 5010404), (7, 3578860), (10, 2505202), (14, 1789430), (20, 1252601), (28, 894715), (35, 715772), (70, 357886), (127, 197260), (140, 178943), (254, 98630), (508, 49315), (635, 39452), (889, 28180), (1270, 19726), (1409, 17780), (1778, 14090), (2540, 9863), (2818, 8890), (3556, 7045), (4445, 5636)]