31330780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{120503}}^1$

素因数の和:120525

約数の個数: 24

約数和(自身を含む): 70856352

約数和(自身を除く): 39525572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 120503, 241006, 482012, 602515, 1205030, 1566539, 2410060, 3133078, 6266156, 7832695, 15665390, 31330780]

約数ペア:

[(1, 31330780), (2, 15665390), (4, 7832695), (5, 6266156), (10, 3133078), (13, 2410060), (20, 1566539), (26, 1205030), (52, 602515), (65, 482012), (130, 241006), (260, 120503)]