40143568

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{11251}}^1$

素因数の和:11482

約数の個数: 20

約数和(自身を含む): 78133888

約数和(自身を除く): 37990320

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 11251, 22502, 45004, 90008, 180016, 2508973, 5017946, 10035892, 20071784, 40143568]

約数ペア:

[(1, 40143568), (2, 20071784), (4, 10035892), (8, 5017946), (16, 2508973), (223, 180016), (446, 90008), (892, 45004), (1784, 22502), (3568, 11251)]