489909920

素因数分解:

$2^5\times 5^1\times {\mathrm{3061937}}^1$

素因数の和:3061952

約数の個数: 24

約数和(自身を含む): 1157412564

約数和(自身を除く): 667502644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 3061937, 6123874, 12247748, 15309685, 24495496, 30619370, 48990992, 61238740, 97981984, 122477480, 244954960, 489909920]

約数ペア:

[(1, 489909920), (2, 244954960), (4, 122477480), (5, 97981984), (8, 61238740), (10, 48990992), (16, 30619370), (20, 24495496), (32, 15309685), (40, 12247748), (80, 6123874), (160, 3061937)]