168433520

素因数分解:

$2^4\times 5^1\times {\mathrm{2105419}}^1$

素因数の和:2105432

約数の個数: 20

約数和(自身を含む): 391608120

約数和(自身を除く): 223174600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2105419, 4210838, 8421676, 10527095, 16843352, 21054190, 33686704, 42108380, 84216760, 168433520]

約数ペア:

[(1, 168433520), (2, 84216760), (4, 42108380), (5, 33686704), (8, 21054190), (10, 16843352), (16, 10527095), (20, 8421676), (40, 4210838), (80, 2105419)]