26517140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1291}}^1$

素因数の和:1392

約数の個数: 48

約数和(自身を含む): 60775680

約数和(自身を除く): 34258540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1291, 1580, 2054, 2582, 4108, 5135, 5164, 6455, 10270, 12910, 16783, 20540, 25820, 33566, 67132, 83915, 101989, 167830, 203978, 335660, 407956, 509945, 1019890, 1325857, 2039780, 2651714, 5303428, 6629285, 13258570, 26517140]

約数ペア:

[(1, 26517140), (2, 13258570), (4, 6629285), (5, 5303428), (10, 2651714), (13, 2039780), (20, 1325857), (26, 1019890), (52, 509945), (65, 407956), (79, 335660), (130, 203978), (158, 167830), (260, 101989), (316, 83915), (395, 67132), (790, 33566), (1027, 25820), (1291, 20540), (1580, 16783), (2054, 12910), (2582, 10270), (4108, 6455), (5135, 5164)]