31229480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21101}}^1$

素因数の和:21149

約数の個数: 32

約数和(自身を含む): 72168840

約数和(自身を除く): 40939360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21101, 42202, 84404, 105505, 168808, 211010, 422020, 780737, 844040, 1561474, 3122948, 3903685, 6245896, 7807370, 15614740, 31229480]

約数ペア:

[(1, 31229480), (2, 15614740), (4, 7807370), (5, 6245896), (8, 3903685), (10, 3122948), (20, 1561474), (37, 844040), (40, 780737), (74, 422020), (148, 211010), (185, 168808), (296, 105505), (370, 84404), (740, 42202), (1480, 21101)]