81170230

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 150698880

約数和(自身を除く): 69528650

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 431, 509, 862, 1018, 2155, 2545, 4310, 5090, 15947, 18833, 31894, 37666, 79735, 94165, 159470, 188330, 219379, 438758, 1096895, 2193790, 8117023, 16234046, 40585115, 81170230]

約数ペア:

[(1, 81170230), (2, 40585115), (5, 16234046), (10, 8117023), (37, 2193790), (74, 1096895), (185, 438758), (370, 219379), (431, 188330), (509, 159470), (862, 94165), (1018, 79735), (2155, 37666), (2545, 31894), (4310, 18833), (5090, 15947)]