135954520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261451}}^1$

素因数の和:261475

約数の個数: 32

約数和(自身を含む): 329429520

約数和(自身を除く): 193475000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 261451, 522902, 1045804, 1307255, 2091608, 2614510, 3398863, 5229020, 6797726, 10458040, 13595452, 16994315, 27190904, 33988630, 67977260, 135954520]

約数ペア:

[(1, 135954520), (2, 67977260), (4, 33988630), (5, 27190904), (8, 16994315), (10, 13595452), (13, 10458040), (20, 6797726), (26, 5229020), (40, 3398863), (52, 2614510), (65, 2091608), (104, 1307255), (130, 1045804), (260, 522902), (520, 261451)]