70102840

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2161}}^1$

素因数の和:2983

約数の個数: 32

約数和(自身を含む): 157998960

約数和(自身を除く): 87896120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2161, 3244, 4055, 4322, 6488, 8110, 8644, 10805, 16220, 17288, 21610, 32440, 43220, 86440, 1752571, 3505142, 7010284, 8762855, 14020568, 17525710, 35051420, 70102840]

約数ペア:

[(1, 70102840), (2, 35051420), (4, 17525710), (5, 14020568), (8, 8762855), (10, 7010284), (20, 3505142), (40, 1752571), (811, 86440), (1622, 43220), (2161, 32440), (3244, 21610), (4055, 17288), (4322, 16220), (6488, 10805), (8110, 8644)]