775331320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{472763}}^1$

素因数の和:472815

約数の個数: 32

約数和(自身を含む): 1787047920

約数和(自身を除く): 1011716600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 472763, 945526, 1891052, 2363815, 3782104, 4727630, 9455260, 18910520, 19383283, 38766566, 77533132, 96916415, 155066264, 193832830, 387665660, 775331320]

約数ペア:

[(1, 775331320), (2, 387665660), (4, 193832830), (5, 155066264), (8, 96916415), (10, 77533132), (20, 38766566), (40, 19383283), (41, 18910520), (82, 9455260), (164, 4727630), (205, 3782104), (328, 2363815), (410, 1891052), (820, 945526), (1640, 472763)]