68637640

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2153}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 154700280

約数和(自身を除く): 86062640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 2153, 3188, 3985, 4306, 6376, 7970, 8612, 10765, 15940, 17224, 21530, 31880, 43060, 86120, 1715941, 3431882, 6863764, 8579705, 13727528, 17159410, 34318820, 68637640]

約数ペア:

[(1, 68637640), (2, 34318820), (4, 17159410), (5, 13727528), (8, 8579705), (10, 6863764), (20, 3431882), (40, 1715941), (797, 86120), (1594, 43060), (2153, 31880), (3188, 21530), (3985, 17224), (4306, 15940), (6376, 10765), (7970, 8612)]