4893220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2749}}^1$

素因数の和:2847

約数の個数: 24

約数和(自身を含む): 10395000

約数和(自身を除く): 5501780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2749, 5498, 10996, 13745, 27490, 54980, 244661, 489322, 978644, 1223305, 2446610, 4893220]

約数ペア:

[(1, 4893220), (2, 2446610), (4, 1223305), (5, 978644), (10, 489322), (20, 244661), (89, 54980), (178, 27490), (356, 13745), (445, 10996), (890, 5498), (1780, 2749)]