69618520

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4987}}^1$

素因数の和:5347

約数の個数: 32

約数和(自身を含む): 157122000

約数和(自身を除く): 87503480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 4987, 6980, 9974, 13960, 19948, 24935, 39896, 49870, 99740, 199480, 1740463, 3480926, 6961852, 8702315, 13923704, 17404630, 34809260, 69618520]

約数ペア:

[(1, 69618520), (2, 34809260), (4, 17404630), (5, 13923704), (8, 8702315), (10, 6961852), (20, 3480926), (40, 1740463), (349, 199480), (698, 99740), (1396, 49870), (1745, 39896), (2792, 24935), (3490, 19948), (4987, 13960), (6980, 9974)]