70878280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{161087}}^1$

素因数の和:161109

約数の個数: 32

約数和(自身を含む): 173975040

約数和(自身を除く): 103096760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 161087, 322174, 644348, 805435, 1288696, 1610870, 1771957, 3221740, 3543914, 6443480, 7087828, 8859785, 14175656, 17719570, 35439140, 70878280]

約数ペア:

[(1, 70878280), (2, 35439140), (4, 17719570), (5, 14175656), (8, 8859785), (10, 7087828), (11, 6443480), (20, 3543914), (22, 3221740), (40, 1771957), (44, 1610870), (55, 1288696), (88, 805435), (110, 644348), (220, 322174), (440, 161087)]