520064840

素因数分解:

$2^3\times 5^1\times {\mathrm{13001621}}^1$

素因数の和:13001632

約数の個数: 16

約数和(自身を含む): 1170145980

約数和(自身を除く): 650081140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13001621, 26003242, 52006484, 65008105, 104012968, 130016210, 260032420, 520064840]

約数ペア:

[(1, 520064840), (2, 260032420), (4, 130016210), (5, 104012968), (8, 65008105), (10, 52006484), (20, 26003242), (40, 13001621)]