204020720

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{3767}}^1$

素因数の和:4457

約数の個数: 40

約数和(自身を含む): 475174944

約数和(自身を除く): 271154224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 1354, 2708, 3385, 3767, 5416, 6770, 7534, 10832, 13540, 15068, 18835, 27080, 30136, 37670, 54160, 60272, 75340, 150680, 301360, 2550259, 5100518, 10201036, 12751295, 20402072, 25502590, 40804144, 51005180, 102010360, 204020720]

約数ペア:

[(1, 204020720), (2, 102010360), (4, 51005180), (5, 40804144), (8, 25502590), (10, 20402072), (16, 12751295), (20, 10201036), (40, 5100518), (80, 2550259), (677, 301360), (1354, 150680), (2708, 75340), (3385, 60272), (3767, 54160), (5416, 37670), (6770, 30136), (7534, 27080), (10832, 18835), (13540, 15068)]