26400790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{653}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 51420096

約数和(自身を除く): 25019306

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 311, 622, 653, 1306, 1555, 3110, 3265, 4043, 6530, 8086, 8489, 16978, 20215, 40430, 42445, 84890, 203083, 406166, 1015415, 2030830, 2640079, 5280158, 13200395, 26400790]

約数ペア:

[(1, 26400790), (2, 13200395), (5, 5280158), (10, 2640079), (13, 2030830), (26, 1015415), (65, 406166), (130, 203083), (311, 84890), (622, 42445), (653, 40430), (1306, 20215), (1555, 16978), (3110, 8489), (3265, 8086), (4043, 6530)]