31081480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21001}}^1$

素因数の和:21049

約数の個数: 32

約数和(自身を含む): 71826840

約数和(自身を除く): 40745360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 21001, 42002, 84004, 105005, 168008, 210010, 420020, 777037, 840040, 1554074, 3108148, 3885185, 6216296, 7770370, 15540740, 31081480]

約数ペア:

[(1, 31081480), (2, 15540740), (4, 7770370), (5, 6216296), (8, 3885185), (10, 3108148), (20, 1554074), (37, 840040), (40, 777037), (74, 420020), (148, 210010), (185, 168008), (296, 105005), (370, 84004), (740, 42002), (1480, 21001)]