67475480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 155865600

約数和(自身を除く): 88390120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 131, 158, 163, 262, 316, 326, 395, 524, 632, 652, 655, 790, 815, 1048, 1304, 1310, 1580, 1630, 2620, 3160, 3260, 5240, 6520, 10349, 12877, 20698, 21353, 25754, 41396, 42706, 51508, 51745, 64385, 82792, 85412, 103016, 103490, 106765, 128770, 170824, 206980, 213530, 257540, 413960, 427060, 515080, 854120, 1686887, 3373774, 6747548, 8434435, 13495096, 16868870, 33737740, 67475480]

約数ペア:

[(1, 67475480), (2, 33737740), (4, 16868870), (5, 13495096), (8, 8434435), (10, 6747548), (20, 3373774), (40, 1686887), (79, 854120), (131, 515080), (158, 427060), (163, 413960), (262, 257540), (316, 213530), (326, 206980), (395, 170824), (524, 128770), (632, 106765), (652, 103490), (655, 103016), (790, 85412), (815, 82792), (1048, 64385), (1304, 51745), (1310, 51508), (1580, 42706), (1630, 41396), (2620, 25754), (3160, 21353), (3260, 20698), (5240, 12877), (6520, 10349)]