22418960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4031

約数の個数: 40

約数和(自身を含む): 52871616

約数和(自身を除く): 30452656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 3947, 5680, 7894, 15788, 19735, 31576, 39470, 63152, 78940, 157880, 280237, 315760, 560474, 1120948, 1401185, 2241896, 2802370, 4483792, 5604740, 11209480, 22418960]

約数ペア:

[(1, 22418960), (2, 11209480), (4, 5604740), (5, 4483792), (8, 2802370), (10, 2241896), (16, 1401185), (20, 1120948), (40, 560474), (71, 315760), (80, 280237), (142, 157880), (284, 78940), (355, 63152), (568, 39470), (710, 31576), (1136, 19735), (1420, 15788), (2840, 7894), (3947, 5680)]