203828120

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{3167}}^1$

素因数の和:4787

約数の個数: 32

約数和(自身を含む): 459043200

約数和(自身を除く): 255215080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3167, 3218, 6334, 6436, 8045, 12668, 12872, 15835, 16090, 25336, 31670, 32180, 63340, 64360, 126680, 5095703, 10191406, 20382812, 25478515, 40765624, 50957030, 101914060, 203828120]

約数ペア:

[(1, 203828120), (2, 101914060), (4, 50957030), (5, 40765624), (8, 25478515), (10, 20382812), (20, 10191406), (40, 5095703), (1609, 126680), (3167, 64360), (3218, 63340), (6334, 32180), (6436, 31670), (8045, 25336), (12668, 16090), (12872, 15835)]