165094640

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{8563}}^1$

素因数の和:8817

約数の個数: 40

約数和(自身を含む): 385482768

約数和(自身を除く): 220388128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 482, 964, 1205, 1928, 2410, 3856, 4820, 8563, 9640, 17126, 19280, 34252, 42815, 68504, 85630, 137008, 171260, 342520, 685040, 2063683, 4127366, 8254732, 10318415, 16509464, 20636830, 33018928, 41273660, 82547320, 165094640]

約数ペア:

[(1, 165094640), (2, 82547320), (4, 41273660), (5, 33018928), (8, 20636830), (10, 16509464), (16, 10318415), (20, 8254732), (40, 4127366), (80, 2063683), (241, 685040), (482, 342520), (964, 171260), (1205, 137008), (1928, 85630), (2410, 68504), (3856, 42815), (4820, 34252), (8563, 19280), (9640, 17126)]