26505980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14891}}^1$

素因数の和:14989

約数の個数: 24

約数和(自身を含む): 56291760

約数和(自身を除く): 29785780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 14891, 29782, 59564, 74455, 148910, 297820, 1325299, 2650598, 5301196, 6626495, 13252990, 26505980]

約数ペア:

[(1, 26505980), (2, 13252990), (4, 6626495), (5, 5301196), (10, 2650598), (20, 1325299), (89, 297820), (178, 148910), (356, 74455), (445, 59564), (890, 29782), (1780, 14891)]