262002128

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{40037}}^1$

素因数の和:40454

約数の個数: 20

約数和(自身を含む): 508882980

約数和(自身を除く): 246880852

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 40037, 80074, 160148, 320296, 640592, 16375133, 32750266, 65500532, 131001064, 262002128]

約数ペア:

[(1, 262002128), (2, 131001064), (4, 65500532), (8, 32750266), (16, 16375133), (409, 640592), (818, 320296), (1636, 160148), (3272, 80074), (6544, 40037)]