13080520

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{937}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 29547000

約数和(自身を除く): 16466480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 937, 1396, 1745, 1874, 2792, 3490, 3748, 4685, 6980, 7496, 9370, 13960, 18740, 37480, 327013, 654026, 1308052, 1635065, 2616104, 3270130, 6540260, 13080520]

約数ペア:

[(1, 13080520), (2, 6540260), (4, 3270130), (5, 2616104), (8, 1635065), (10, 1308052), (20, 654026), (40, 327013), (349, 37480), (698, 18740), (937, 13960), (1396, 9370), (1745, 7496), (1874, 6980), (2792, 4685), (3490, 3748)]