13421380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2591}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 33094656

約数和(自身を除く): 19673276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 2591, 5180, 5182, 10364, 12955, 18137, 25910, 36274, 51820, 72548, 90685, 95867, 181370, 191734, 362740, 383468, 479335, 671069, 958670, 1342138, 1917340, 2684276, 3355345, 6710690, 13421380]

約数ペア:

[(1, 13421380), (2, 6710690), (4, 3355345), (5, 2684276), (7, 1917340), (10, 1342138), (14, 958670), (20, 671069), (28, 479335), (35, 383468), (37, 362740), (70, 191734), (74, 181370), (140, 95867), (148, 90685), (185, 72548), (259, 51820), (370, 36274), (518, 25910), (740, 18137), (1036, 12955), (1295, 10364), (2590, 5182), (2591, 5180)]