86531960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30469}}^1$

素因数の和:30551

約数の個数: 32

約数和(自身を含む): 197445600

約数和(自身を除く): 110913640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 30469, 60938, 121876, 152345, 243752, 304690, 609380, 1218760, 2163299, 4326598, 8653196, 10816495, 17306392, 21632990, 43265980, 86531960]

約数ペア:

[(1, 86531960), (2, 43265980), (4, 21632990), (5, 17306392), (8, 10816495), (10, 8653196), (20, 4326598), (40, 2163299), (71, 1218760), (142, 609380), (284, 304690), (355, 243752), (568, 152345), (710, 121876), (1420, 60938), (2840, 30469)]