40900418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 68475456

約数和(自身を除く): 27575038

約数列:

[1, 2, 13, 26, 53, 67, 106, 134, 443, 689, 871, 886, 1378, 1742, 3551, 5759, 7102, 11518, 23479, 29681, 46163, 46958, 59362, 92326, 305227, 385853, 610454, 771706, 1573093, 3146186, 20450209, 40900418]

約数ペア:

[(1, 40900418), (2, 20450209), (13, 3146186), (26, 1573093), (53, 771706), (67, 610454), (106, 385853), (134, 305227), (443, 92326), (689, 59362), (871, 46958), (886, 46163), (1378, 29681), (1742, 23479), (3551, 11518), (5759, 7102)]