70818080

素因数分解:

$2^5\times 5^1\times {\mathrm{499}}^1\times {\mathrm{887}}^1$

素因数の和:1401

約数の個数: 48

約数和(自身を含む): 167832000

約数和(自身を除く): 97013920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 499, 887, 998, 1774, 1996, 2495, 3548, 3992, 4435, 4990, 7096, 7984, 8870, 9980, 14192, 15968, 17740, 19960, 28384, 35480, 39920, 70960, 79840, 141920, 442613, 885226, 1770452, 2213065, 3540904, 4426130, 7081808, 8852260, 14163616, 17704520, 35409040, 70818080]

約数ペア:

[(1, 70818080), (2, 35409040), (4, 17704520), (5, 14163616), (8, 8852260), (10, 7081808), (16, 4426130), (20, 3540904), (32, 2213065), (40, 1770452), (80, 885226), (160, 442613), (499, 141920), (887, 79840), (998, 70960), (1774, 39920), (1996, 35480), (2495, 28384), (3548, 19960), (3992, 17740), (4435, 15968), (4990, 14192), (7096, 9980), (7984, 8870)]