2694640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1$

素因数の和:2617

約数の個数: 40

約数和(自身を含む): 6749568

約数和(自身を除く): 4054928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2591, 5182, 10364, 12955, 20728, 25910, 33683, 41456, 51820, 67366, 103640, 134732, 168415, 207280, 269464, 336830, 538928, 673660, 1347320, 2694640]

約数ペア:

[(1, 2694640), (2, 1347320), (4, 673660), (5, 538928), (8, 336830), (10, 269464), (13, 207280), (16, 168415), (20, 134732), (26, 103640), (40, 67366), (52, 51820), (65, 41456), (80, 33683), (104, 25910), (130, 20728), (208, 12955), (260, 10364), (520, 5182), (1040, 2591)]