7808840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15017}}^1$

素因数の和:15041

約数の個数: 32

約数和(自身を含む): 18922680

約数和(自身を除く): 11113840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15017, 30034, 60068, 75085, 120136, 150170, 195221, 300340, 390442, 600680, 780884, 976105, 1561768, 1952210, 3904420, 7808840]

約数ペア:

[(1, 7808840), (2, 3904420), (4, 1952210), (5, 1561768), (8, 976105), (10, 780884), (13, 600680), (20, 390442), (26, 300340), (40, 195221), (52, 150170), (65, 120136), (104, 75085), (130, 60068), (260, 30034), (520, 15017)]