86728280

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5407}}^1$

素因数の和:5819

約数の個数: 32

約数和(自身を含む): 195661440

約数和(自身を除く): 108933160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 5407, 8020, 10814, 16040, 21628, 27035, 43256, 54070, 108140, 216280, 2168207, 4336414, 8672828, 10841035, 17345656, 21682070, 43364140, 86728280]

約数ペア:

[(1, 86728280), (2, 43364140), (4, 21682070), (5, 17345656), (8, 10841035), (10, 8672828), (20, 4336414), (40, 2168207), (401, 216280), (802, 108140), (1604, 54070), (2005, 43256), (3208, 27035), (4010, 21628), (5407, 16040), (8020, 10814)]