66616640

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1163}}^1$

素因数の和:1359

約数の個数: 56

約数和(自身を含む): 159654240

約数和(自身を除く): 93037600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 716, 895, 1163, 1432, 1790, 2326, 2864, 3580, 4652, 5728, 5815, 7160, 9304, 11456, 11630, 14320, 18608, 23260, 28640, 37216, 46520, 57280, 74432, 93040, 186080, 208177, 372160, 416354, 832708, 1040885, 1665416, 2081770, 3330832, 4163540, 6661664, 8327080, 13323328, 16654160, 33308320, 66616640]

約数ペア:

[(1, 66616640), (2, 33308320), (4, 16654160), (5, 13323328), (8, 8327080), (10, 6661664), (16, 4163540), (20, 3330832), (32, 2081770), (40, 1665416), (64, 1040885), (80, 832708), (160, 416354), (179, 372160), (320, 208177), (358, 186080), (716, 93040), (895, 74432), (1163, 57280), (1432, 46520), (1790, 37216), (2326, 28640), (2864, 23260), (3580, 18608), (4652, 14320), (5728, 11630), (5815, 11456), (7160, 9304)]