7904780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30403}}^1$

素因数の和:30425

約数の個数: 24

約数和(自身を含む): 17877552

約数和(自身を除く): 9972772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30403, 60806, 121612, 152015, 304030, 395239, 608060, 790478, 1580956, 1976195, 3952390, 7904780]

約数ペア:

[(1, 7904780), (2, 3952390), (4, 1976195), (5, 1580956), (10, 790478), (13, 608060), (20, 395239), (26, 304030), (52, 152015), (65, 121612), (130, 60806), (260, 30403)]