31975240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72671}}^1$

素因数の和:72693

約数の個数: 32

約数和(自身を含む): 78485760

約数和(自身を除く): 46510520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72671, 145342, 290684, 363355, 581368, 726710, 799381, 1453420, 1598762, 2906840, 3197524, 3996905, 6395048, 7993810, 15987620, 31975240]

約数ペア:

[(1, 31975240), (2, 15987620), (4, 7993810), (5, 6395048), (8, 3996905), (10, 3197524), (11, 2906840), (20, 1598762), (22, 1453420), (40, 799381), (44, 726710), (55, 581368), (88, 363355), (110, 290684), (220, 145342), (440, 72671)]