164906960

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16231}}^1$

素因数の和:16371

約数の個数: 40

約数和(自身を含む): 386451456

約数和(自身を除く): 221544496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 16231, 32462, 64924, 81155, 129848, 162310, 259696, 324620, 649240, 1298480, 2061337, 4122674, 8245348, 10306685, 16490696, 20613370, 32981392, 41226740, 82453480, 164906960]

約数ペア:

[(1, 164906960), (2, 82453480), (4, 41226740), (5, 32981392), (8, 20613370), (10, 16490696), (16, 10306685), (20, 8245348), (40, 4122674), (80, 2061337), (127, 1298480), (254, 649240), (508, 324620), (635, 259696), (1016, 162310), (1270, 129848), (2032, 81155), (2540, 64924), (5080, 32462), (10160, 16231)]