25241800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2146

約数の個数: 48

約数和(自身を含む): 59678100

約数和(自身を除く): 34436300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2069, 2440, 3050, 4138, 6100, 8276, 10345, 12200, 16552, 20690, 41380, 51725, 82760, 103450, 126209, 206900, 252418, 413800, 504836, 631045, 1009672, 1262090, 2524180, 3155225, 5048360, 6310450, 12620900, 25241800]

約数ペア:

[(1, 25241800), (2, 12620900), (4, 6310450), (5, 5048360), (8, 3155225), (10, 2524180), (20, 1262090), (25, 1009672), (40, 631045), (50, 504836), (61, 413800), (100, 252418), (122, 206900), (200, 126209), (244, 103450), (305, 82760), (488, 51725), (610, 41380), (1220, 20690), (1525, 16552), (2069, 12200), (2440, 10345), (3050, 8276), (4138, 6100)]