8256040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15877}}^1$

素因数の和:15901

約数の個数: 32

約数和(自身を含む): 20006280

約数和(自身を除く): 11750240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15877, 31754, 63508, 79385, 127016, 158770, 206401, 317540, 412802, 635080, 825604, 1032005, 1651208, 2064010, 4128020, 8256040]

約数ペア:

[(1, 8256040), (2, 4128020), (4, 2064010), (5, 1651208), (8, 1032005), (10, 825604), (13, 635080), (20, 412802), (26, 317540), (40, 206401), (52, 158770), (65, 127016), (104, 79385), (130, 63508), (260, 31754), (520, 15877)]