199902160

素因数分解:

$2^4\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{1609}}^1$

素因数の和:3175

約数の個数: 40

約数和(自身を含む): 465360840

約数和(自身を除く): 265458680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1553, 1609, 3106, 3218, 6212, 6436, 7765, 8045, 12424, 12872, 15530, 16090, 24848, 25744, 31060, 32180, 62120, 64360, 124240, 128720, 2498777, 4997554, 9995108, 12493885, 19990216, 24987770, 39980432, 49975540, 99951080, 199902160]

約数ペア:

[(1, 199902160), (2, 99951080), (4, 49975540), (5, 39980432), (8, 24987770), (10, 19990216), (16, 12493885), (20, 9995108), (40, 4997554), (80, 2498777), (1553, 128720), (1609, 124240), (3106, 64360), (3218, 62120), (6212, 32180), (6436, 31060), (7765, 25744), (8045, 24848), (12424, 16090), (12872, 15530)]