64373660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{247591}}^1$

素因数の和:247613

約数の個数: 24

約数和(自身を含む): 145584096

約数和(自身を除く): 81210436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 247591, 495182, 990364, 1237955, 2475910, 3218683, 4951820, 6437366, 12874732, 16093415, 32186830, 64373660]

約数ペア:

[(1, 64373660), (2, 32186830), (4, 16093415), (5, 12874732), (10, 6437366), (13, 4951820), (20, 3218683), (26, 2475910), (52, 1237955), (65, 990364), (130, 495182), (260, 247591)]