138945320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{41851}}^1$

素因数の和:41945

約数の個数: 32

約数和(自身を含む): 316401120

約数和(自身を除く): 177455800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 41851, 83702, 167404, 209255, 334808, 418510, 837020, 1674040, 3473633, 6947266, 13894532, 17368165, 27789064, 34736330, 69472660, 138945320]

約数ペア:

[(1, 138945320), (2, 69472660), (4, 34736330), (5, 27789064), (8, 17368165), (10, 13894532), (20, 6947266), (40, 3473633), (83, 1674040), (166, 837020), (332, 418510), (415, 334808), (664, 209255), (830, 167404), (1660, 83702), (3320, 41851)]