520121480

素因数分解:

$2^3\times 5^1\times {\mathrm{13003037}}^1$

素因数の和:13003048

約数の個数: 16

約数和(自身を含む): 1170273420

約数和(自身を除く): 650151940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13003037, 26006074, 52012148, 65015185, 104024296, 130030370, 260060740, 520121480]

約数ペア:

[(1, 520121480), (2, 260060740), (4, 130030370), (5, 104024296), (8, 65015185), (10, 52012148), (20, 26006074), (40, 13003037)]