25105000

素因数分解:

$2^3\times 5^4\times {\mathrm{5021}}^1$

素因数の和:5047

約数の個数: 40

約数和(自身を含む): 58832730

約数和(自身を除く): 33727730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5021, 10042, 20084, 25105, 40168, 50210, 100420, 125525, 200840, 251050, 502100, 627625, 1004200, 1255250, 2510500, 3138125, 5021000, 6276250, 12552500, 25105000]

約数ペア:

[(1, 25105000), (2, 12552500), (4, 6276250), (5, 5021000), (8, 3138125), (10, 2510500), (20, 1255250), (25, 1004200), (40, 627625), (50, 502100), (100, 251050), (125, 200840), (200, 125525), (250, 100420), (500, 50210), (625, 40168), (1000, 25105), (1250, 20084), (2500, 10042), (5000, 5021)]