89913520

素因数分解:

$2^4\times 5^1\times {\mathrm{1123919}}^1$

素因数の和:1123932

約数の個数: 20

約数和(自身を含む): 209049120

約数和(自身を除く): 119135600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1123919, 2247838, 4495676, 5619595, 8991352, 11239190, 17982704, 22478380, 44956760, 89913520]

約数ペア:

[(1, 89913520), (2, 44956760), (4, 22478380), (5, 17982704), (8, 11239190), (10, 8991352), (16, 5619595), (20, 4495676), (40, 2247838), (80, 1123919)]