4992800

素因数分解:

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

素因数の和:178

約数の個数: 54

約数和(自身を含む): 12344913

約数和(自身を除く): 7352113

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 158, 160, 200, 316, 395, 400, 632, 790, 800, 1264, 1580, 1975, 2528, 3160, 3950, 6241, 6320, 7900, 12482, 12640, 15800, 24964, 31205, 31600, 49928, 62410, 63200, 99856, 124820, 156025, 199712, 249640, 312050, 499280, 624100, 998560, 1248200, 2496400, 4992800]

約数ペア:

[(1, 4992800), (2, 2496400), (4, 1248200), (5, 998560), (8, 624100), (10, 499280), (16, 312050), (20, 249640), (25, 199712), (32, 156025), (40, 124820), (50, 99856), (79, 63200), (80, 62410), (100, 49928), (158, 31600), (160, 31205), (200, 24964), (316, 15800), (395, 12640), (400, 12482), (632, 7900), (790, 6320), (800, 6241), (1264, 3950), (1580, 3160), (1975, 2528)]