103740520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199501}}^1$

素因数の和:199525

約数の個数: 32

約数和(自身を含む): 251372520

約数和(自身を除く): 147632000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 199501, 399002, 798004, 997505, 1596008, 1995010, 2593513, 3990020, 5187026, 7980040, 10374052, 12967565, 20748104, 25935130, 51870260, 103740520]

約数ペア:

[(1, 103740520), (2, 51870260), (4, 25935130), (5, 20748104), (8, 12967565), (10, 10374052), (13, 7980040), (20, 5187026), (26, 3990020), (40, 2593513), (52, 1995010), (65, 1596008), (104, 997505), (130, 798004), (260, 399002), (520, 199501)]