1274838380

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{78791}}^1$

素因数の和:79609

約数の個数: 24

約数和(自身を含む): 2680503840

約数和(自身を除く): 1405665460

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 78791, 157582, 315164, 393955, 787910, 1575820, 63741919, 127483838, 254967676, 318709595, 637419190, 1274838380]

約数ペア:

[(1, 1274838380), (2, 637419190), (4, 318709595), (5, 254967676), (10, 127483838), (20, 63741919), (809, 1575820), (1618, 787910), (3236, 393955), (4045, 315164), (8090, 157582), (16180, 78791)]