42731560

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3061}}^1$

素因数の和:3421

約数の個数: 32

約数和(自身を含む): 96453000

約数和(自身を除く): 53721440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3061, 3490, 6122, 6980, 12244, 13960, 15305, 24488, 30610, 61220, 122440, 1068289, 2136578, 4273156, 5341445, 8546312, 10682890, 21365780, 42731560]

約数ペア:

[(1, 42731560), (2, 21365780), (4, 10682890), (5, 8546312), (8, 5341445), (10, 4273156), (20, 2136578), (40, 1068289), (349, 122440), (698, 61220), (1396, 30610), (1745, 24488), (2792, 15305), (3061, 13960), (3490, 12244), (6122, 6980)]