813088112720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{781815493}}^1$

素因数の和:781815519

約数の個数: 40

約数和(自身を含む): 2035847546376

約数和(自身を除く): 1222759433656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 781815493, 1563630986, 3127261972, 3909077465, 6254523944, 7818154930, 10163601409, 12509047888, 15636309860, 20327202818, 31272619720, 40654405636, 50818007045, 62545239440, 81308811272, 101636014090, 162617622544, 203272028180, 406544056360, 813088112720]

約数ペア:

[(1, 813088112720), (2, 406544056360), (4, 203272028180), (5, 162617622544), (8, 101636014090), (10, 81308811272), (13, 62545239440), (16, 50818007045), (20, 40654405636), (26, 31272619720), (40, 20327202818), (52, 15636309860), (65, 12509047888), (80, 10163601409), (104, 7818154930), (130, 6254523944), (208, 3909077465), (260, 3127261972), (520, 1563630986), (1040, 781815493)]