40375684

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{27961}}^1$

素因数の和:28003

約数の個数: 18

約数和(自身を含む): 74574654

約数和(自身を除く): 34198970

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 27961, 55922, 111844, 531259, 1062518, 2125036, 10093921, 20187842, 40375684]

約数ペア:

[(1, 40375684), (2, 20187842), (4, 10093921), (19, 2125036), (38, 1062518), (76, 531259), (361, 111844), (722, 55922), (1444, 27961)]