25730440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 59264100

約数和(自身を除く): 33533660

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 229, 265, 424, 458, 530, 916, 1060, 1145, 1832, 2120, 2290, 2809, 4580, 5618, 9160, 11236, 12137, 14045, 22472, 24274, 28090, 48548, 56180, 60685, 97096, 112360, 121370, 242740, 485480, 643261, 1286522, 2573044, 3216305, 5146088, 6432610, 12865220, 25730440]

約数ペア:

[(1, 25730440), (2, 12865220), (4, 6432610), (5, 5146088), (8, 3216305), (10, 2573044), (20, 1286522), (40, 643261), (53, 485480), (106, 242740), (212, 121370), (229, 112360), (265, 97096), (424, 60685), (458, 56180), (530, 48548), (916, 28090), (1060, 24274), (1145, 22472), (1832, 14045), (2120, 12137), (2290, 11236), (2809, 9160), (4580, 5618)]