11538740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 25132800

約数和(自身を除く): 13594060

約数列:

[1, 2, 4, 5, 10, 20, 67, 79, 109, 134, 158, 218, 268, 316, 335, 395, 436, 545, 670, 790, 1090, 1340, 1580, 2180, 5293, 7303, 8611, 10586, 14606, 17222, 21172, 26465, 29212, 34444, 36515, 43055, 52930, 73030, 86110, 105860, 146060, 172220, 576937, 1153874, 2307748, 2884685, 5769370, 11538740]

約数ペア:

[(1, 11538740), (2, 5769370), (4, 2884685), (5, 2307748), (10, 1153874), (20, 576937), (67, 172220), (79, 146060), (109, 105860), (134, 86110), (158, 73030), (218, 52930), (268, 43055), (316, 36515), (335, 34444), (395, 29212), (436, 26465), (545, 21172), (670, 17222), (790, 14606), (1090, 10586), (1340, 8611), (1580, 7303), (2180, 5293)]