40290860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69467}}^1$

素因数の和:69505

約数の個数: 24

約数和(自身を含む): 87529680

約数和(自身を除く): 47238820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 69467, 138934, 277868, 347335, 694670, 1389340, 2014543, 4029086, 8058172, 10072715, 20145430, 40290860]

約数ペア:

[(1, 40290860), (2, 20145430), (4, 10072715), (5, 8058172), (10, 4029086), (20, 2014543), (29, 1389340), (58, 694670), (116, 347335), (145, 277868), (290, 138934), (580, 69467)]