80608840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155017}}^1$

素因数の和:155041

約数の個数: 32

約数和(自身を含む): 195322680

約数和(自身を除く): 114713840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 155017, 310034, 620068, 775085, 1240136, 1550170, 2015221, 3100340, 4030442, 6200680, 8060884, 10076105, 16121768, 20152210, 40304420, 80608840]

約数ペア:

[(1, 80608840), (2, 40304420), (4, 20152210), (5, 16121768), (8, 10076105), (10, 8060884), (13, 6200680), (20, 4030442), (26, 3100340), (40, 2015221), (52, 1550170), (65, 1240136), (104, 775085), (130, 620068), (260, 310034), (520, 155017)]