40781540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{70313}}^1$

素因数の和:70351

約数の個数: 24

約数和(自身を含む): 88595640

約数和(自身を除く): 47814100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 70313, 140626, 281252, 351565, 703130, 1406260, 2039077, 4078154, 8156308, 10195385, 20390770, 40781540]

約数ペア:

[(1, 40781540), (2, 20390770), (4, 10195385), (5, 8156308), (10, 4078154), (20, 2039077), (29, 1406260), (58, 703130), (116, 351565), (145, 281252), (290, 140626), (580, 70313)]