1331330780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5120503}}^1$

素因数の和:5120525

約数の個数: 24

約数和(自身を含む): 3010856352

約数和(自身を除く): 1679525572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5120503, 10241006, 20482012, 25602515, 51205030, 66566539, 102410060, 133133078, 266266156, 332832695, 665665390, 1331330780]

約数ペア:

[(1, 1331330780), (2, 665665390), (4, 332832695), (5, 266266156), (10, 133133078), (13, 102410060), (20, 66566539), (26, 51205030), (52, 25602515), (65, 20482012), (130, 10241006), (260, 5120503)]