2028296800

素因数分解:

$2^5\times 5^2\times {\mathrm{997}}^1\times {\mathrm{2543}}^1$

素因数の和:3560

約数の個数: 72

約数和(自身を含む): 4958495136

約数和(自身を除く): 2930198336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 997, 1994, 2543, 3988, 4985, 5086, 7976, 9970, 10172, 12715, 15952, 19940, 20344, 24925, 25430, 31904, 39880, 40688, 49850, 50860, 63575, 79760, 81376, 99700, 101720, 127150, 159520, 199400, 203440, 254300, 398800, 406880, 508600, 797600, 1017200, 2034400, 2535371, 5070742, 10141484, 12676855, 20282968, 25353710, 40565936, 50707420, 63384275, 81131872, 101414840, 126768550, 202829680, 253537100, 405659360, 507074200, 1014148400, 2028296800]

約数ペア:

[(1, 2028296800), (2, 1014148400), (4, 507074200), (5, 405659360), (8, 253537100), (10, 202829680), (16, 126768550), (20, 101414840), (25, 81131872), (32, 63384275), (40, 50707420), (50, 40565936), (80, 25353710), (100, 20282968), (160, 12676855), (200, 10141484), (400, 5070742), (800, 2535371), (997, 2034400), (1994, 1017200), (2543, 797600), (3988, 508600), (4985, 406880), (5086, 398800), (7976, 254300), (9970, 203440), (10172, 199400), (12715, 159520), (15952, 127150), (19940, 101720), (20344, 99700), (24925, 81376), (25430, 79760), (31904, 63575), (39880, 50860), (40688, 49850)]