31420960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4567}}^1$

素因数の和:4625

約数の個数: 48

約数和(自身を含む): 75974976

約数和(自身を除く): 44554016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4567, 6880, 9134, 18268, 22835, 36536, 45670, 73072, 91340, 146144, 182680, 196381, 365360, 392762, 730720, 785524, 981905, 1571048, 1963810, 3142096, 3927620, 6284192, 7855240, 15710480, 31420960]

約数ペア:

[(1, 31420960), (2, 15710480), (4, 7855240), (5, 6284192), (8, 3927620), (10, 3142096), (16, 1963810), (20, 1571048), (32, 981905), (40, 785524), (43, 730720), (80, 392762), (86, 365360), (160, 196381), (172, 182680), (215, 146144), (344, 91340), (430, 73072), (688, 45670), (860, 36536), (1376, 22835), (1720, 18268), (3440, 9134), (4567, 6880)]