2496400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^2$

素因数の和:176

約数の個数: 45

約数和(自身を含む): 6074481

約数和(自身を除く): 3578081

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 632, 790, 1264, 1580, 1975, 3160, 3950, 6241, 6320, 7900, 12482, 15800, 24964, 31205, 31600, 49928, 62410, 99856, 124820, 156025, 249640, 312050, 499280, 624100, 1248200, 2496400]

約数ペア:

[(1, 2496400), (2, 1248200), (4, 624100), (5, 499280), (8, 312050), (10, 249640), (16, 156025), (20, 124820), (25, 99856), (40, 62410), (50, 49928), (79, 31600), (80, 31205), (100, 24964), (158, 15800), (200, 12482), (316, 7900), (395, 6320), (400, 6241), (632, 3950), (790, 3160), (1264, 1975)]