31305080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11681}}^1$

素因数の和:11759

約数の個数: 32

約数和(自身を含む): 71493840

約数和(自身を除く): 40188760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 11681, 23362, 46724, 58405, 93448, 116810, 233620, 467240, 782627, 1565254, 3130508, 3913135, 6261016, 7826270, 15652540, 31305080]

約数ペア:

[(1, 31305080), (2, 15652540), (4, 7826270), (5, 6261016), (8, 3913135), (10, 3130508), (20, 1565254), (40, 782627), (67, 467240), (134, 233620), (268, 116810), (335, 93448), (536, 58405), (670, 46724), (1340, 23362), (2680, 11681)]