40037980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69031}}^1$

素因数の和:69069

約数の個数: 24

約数和(自身を含む): 86980320

約数和(自身を除く): 46942340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 69031, 138062, 276124, 345155, 690310, 1380620, 2001899, 4003798, 8007596, 10009495, 20018990, 40037980]

約数ペア:

[(1, 40037980), (2, 20018990), (4, 10009495), (5, 8007596), (10, 4003798), (20, 2001899), (29, 1380620), (58, 690310), (116, 345155), (145, 276124), (290, 138062), (580, 69031)]