1330974800

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{81157}}^1$

素因数の和:81216

約数の個数: 60

約数和(自身を含む): 3275699196

約数和(自身を除く): 1944724396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 328, 400, 410, 656, 820, 1025, 1640, 2050, 3280, 4100, 8200, 16400, 81157, 162314, 324628, 405785, 649256, 811570, 1298512, 1623140, 2028925, 3246280, 3327437, 4057850, 6492560, 6654874, 8115700, 13309748, 16231400, 16637185, 26619496, 32462800, 33274370, 53238992, 66548740, 83185925, 133097480, 166371850, 266194960, 332743700, 665487400, 1330974800]

約数ペア:

[(1, 1330974800), (2, 665487400), (4, 332743700), (5, 266194960), (8, 166371850), (10, 133097480), (16, 83185925), (20, 66548740), (25, 53238992), (40, 33274370), (41, 32462800), (50, 26619496), (80, 16637185), (82, 16231400), (100, 13309748), (164, 8115700), (200, 6654874), (205, 6492560), (328, 4057850), (400, 3327437), (410, 3246280), (656, 2028925), (820, 1623140), (1025, 1298512), (1640, 811570), (2050, 649256), (3280, 405785), (4100, 324628), (8200, 162314), (16400, 81157)]