66028280

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1861}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 148811040

約数和(自身を除く): 82782760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 1861, 3548, 3722, 4435, 7096, 7444, 8870, 9305, 14888, 17740, 18610, 35480, 37220, 74440, 1650707, 3301414, 6602828, 8253535, 13205656, 16507070, 33014140, 66028280]

約数ペア:

[(1, 66028280), (2, 33014140), (4, 16507070), (5, 13205656), (8, 8253535), (10, 6602828), (20, 3301414), (40, 1650707), (887, 74440), (1774, 37220), (1861, 35480), (3548, 18610), (3722, 17740), (4435, 14888), (7096, 9305), (7444, 8870)]