69156140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31723}}^1$

素因数の和:31841

約数の個数: 24

約数和(自身を含む): 146564880

約数和(自身を除く): 77408740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 31723, 63446, 126892, 158615, 317230, 634460, 3457807, 6915614, 13831228, 17289035, 34578070, 69156140]

約数ペア:

[(1, 69156140), (2, 34578070), (4, 17289035), (5, 13831228), (10, 6915614), (20, 3457807), (109, 634460), (218, 317230), (436, 158615), (545, 126892), (1090, 63446), (2180, 31723)]