86606440

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4339}}^1$

素因数の和:4849

約数の個数: 32

約数和(自身を含む): 195300000

約数和(自身を除く): 108693560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4339, 4990, 8678, 9980, 17356, 19960, 21695, 34712, 43390, 86780, 173560, 2165161, 4330322, 8660644, 10825805, 17321288, 21651610, 43303220, 86606440]

約数ペア:

[(1, 86606440), (2, 43303220), (4, 21651610), (5, 17321288), (8, 10825805), (10, 8660644), (20, 4330322), (40, 2165161), (499, 173560), (998, 86780), (1996, 43390), (2495, 34712), (3992, 21695), (4339, 19960), (4990, 17356), (8678, 9980)]