71981020

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{9397}}^1$

素因数の和:9789

約数の個数: 24

約数和(自身を含む): 151570944

約数和(自身を除く): 79589924

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 3830, 7660, 9397, 18794, 37588, 46985, 93970, 187940, 3599051, 7198102, 14396204, 17995255, 35990510, 71981020]

約数ペア:

[(1, 71981020), (2, 35990510), (4, 17995255), (5, 14396204), (10, 7198102), (20, 3599051), (383, 187940), (766, 93970), (1532, 46985), (1915, 37588), (3830, 18794), (7660, 9397)]