809364440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{430513}}^1$

素因数の和:430571

約数の個数: 32

約数和(自身を含む): 1859820480

約数和(自身を除く): 1050456040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 430513, 861026, 1722052, 2152565, 3444104, 4305130, 8610260, 17220520, 20234111, 40468222, 80936444, 101170555, 161872888, 202341110, 404682220, 809364440]

約数ペア:

[(1, 809364440), (2, 404682220), (4, 202341110), (5, 161872888), (8, 101170555), (10, 80936444), (20, 40468222), (40, 20234111), (47, 17220520), (94, 8610260), (188, 4305130), (235, 3444104), (376, 2152565), (470, 1722052), (940, 861026), (1880, 430513)]