520039390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4000303}}^1$

素因数の和:4000323

約数の個数: 16

約数和(自身を含む): 1008076608

約数和(自身を除く): 488037218

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4000303, 8000606, 20001515, 40003030, 52003939, 104007878, 260019695, 520039390]

約数ペア:

[(1, 520039390), (2, 260019695), (5, 104007878), (10, 52003939), (13, 40003030), (26, 20001515), (65, 8000606), (130, 4000303)]