157835840

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6947}}^1$

素因数の和:7035

約数の個数: 56

約数和(自身を含む): 381195072

約数和(自身を除く): 223359232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 6947, 11360, 13894, 22720, 27788, 34735, 55576, 69470, 111152, 138940, 222304, 277880, 444608, 493237, 555760, 986474, 1111520, 1972948, 2223040, 2466185, 3945896, 4932370, 7891792, 9864740, 15783584, 19729480, 31567168, 39458960, 78917920, 157835840]

約数ペア:

[(1, 157835840), (2, 78917920), (4, 39458960), (5, 31567168), (8, 19729480), (10, 15783584), (16, 9864740), (20, 7891792), (32, 4932370), (40, 3945896), (64, 2466185), (71, 2223040), (80, 1972948), (142, 1111520), (160, 986474), (284, 555760), (320, 493237), (355, 444608), (568, 277880), (710, 222304), (1136, 138940), (1420, 111152), (2272, 69470), (2840, 55576), (4544, 34735), (5680, 27788), (6947, 22720), (11360, 13894)]