138052120

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{8237}}^1$

素因数の和:8667

約数の個数: 32

約数和(自身を含む): 311396400

約数和(自身を除く): 173344280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8237, 8380, 16474, 16760, 32948, 41185, 65896, 82370, 164740, 329480, 3451303, 6902606, 13805212, 17256515, 27610424, 34513030, 69026060, 138052120]

約数ペア:

[(1, 138052120), (2, 69026060), (4, 34513030), (5, 27610424), (8, 17256515), (10, 13805212), (20, 6902606), (40, 3451303), (419, 329480), (838, 164740), (1676, 82370), (2095, 65896), (3352, 41185), (4190, 32948), (8237, 16760), (8380, 16474)]