31700680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72047}}^1$

素因数の和:72069

約数の個数: 32

約数和(自身を含む): 77811840

約数和(自身を除く): 46111160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 72047, 144094, 288188, 360235, 576376, 720470, 792517, 1440940, 1585034, 2881880, 3170068, 3962585, 6340136, 7925170, 15850340, 31700680]

約数ペア:

[(1, 31700680), (2, 15850340), (4, 7925170), (5, 6340136), (8, 3962585), (10, 3170068), (11, 2881880), (20, 1585034), (22, 1440940), (40, 792517), (44, 720470), (55, 576376), (88, 360235), (110, 288188), (220, 144094), (440, 72047)]