51839080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30139}}^1$

素因数の和:30193

約数の個数: 32

約数和(自身を含む): 119354400

約数和(自身を除く): 67515320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 30139, 60278, 120556, 150695, 241112, 301390, 602780, 1205560, 1295977, 2591954, 5183908, 6479885, 10367816, 12959770, 25919540, 51839080]

約数ペア:

[(1, 51839080), (2, 25919540), (4, 12959770), (5, 10367816), (8, 6479885), (10, 5183908), (20, 2591954), (40, 1295977), (43, 1205560), (86, 602780), (172, 301390), (215, 241112), (344, 150695), (430, 120556), (860, 60278), (1720, 30139)]