8953520

素因数分解:

$2^4\times 5^1\times {\mathrm{111919}}^1$

素因数の和:111932

約数の個数: 20

約数和(自身を含む): 20817120

約数和(自身を除く): 11863600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 111919, 223838, 447676, 559595, 895352, 1119190, 1790704, 2238380, 4476760, 8953520]

約数ペア:

[(1, 8953520), (2, 4476760), (4, 2238380), (5, 1790704), (8, 1119190), (10, 895352), (16, 559595), (20, 447676), (40, 223838), (80, 111919)]