80548400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2549}}^1$

素因数の和:2646

約数の個数: 60

約数和(自身を含む): 196044000

約数和(自身を除く): 115495600

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, 2549, 3160, 3950, 5098, 6320, 7900, 10196, 12745, 15800, 20392, 25490, 31600, 40784, 50980, 63725, 101960, 127450, 201371, 203920, 254900, 402742, 509800, 805484, 1006855, 1019600, 1610968, 2013710, 3221936, 4027420, 5034275, 8054840, 10068550, 16109680, 20137100, 40274200, 80548400]

約数ペア:

[(1, 80548400), (2, 40274200), (4, 20137100), (5, 16109680), (8, 10068550), (10, 8054840), (16, 5034275), (20, 4027420), (25, 3221936), (40, 2013710), (50, 1610968), (79, 1019600), (80, 1006855), (100, 805484), (158, 509800), (200, 402742), (316, 254900), (395, 203920), (400, 201371), (632, 127450), (790, 101960), (1264, 63725), (1580, 50980), (1975, 40784), (2549, 31600), (3160, 25490), (3950, 20392), (5098, 15800), (6320, 12745), (7900, 10196)]