215155480

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{3343}}^1$

素因数の和:4963

約数の個数: 32

約数和(自身を含む): 484545600

約数和(自身を除く): 269390120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3218, 3343, 6436, 6686, 8045, 12872, 13372, 16090, 16715, 26744, 32180, 33430, 64360, 66860, 133720, 5378887, 10757774, 21515548, 26894435, 43031096, 53788870, 107577740, 215155480]

約数ペア:

[(1, 215155480), (2, 107577740), (4, 53788870), (5, 43031096), (8, 26894435), (10, 21515548), (20, 10757774), (40, 5378887), (1609, 133720), (3218, 66860), (3343, 64360), (6436, 33430), (6686, 32180), (8045, 26744), (12872, 16715), (13372, 16090)]