13365820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51407}}^1$

素因数の和:51429

約数の個数: 24

約数和(自身を含む): 30227904

約数和(自身を除く): 16862084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 51407, 102814, 205628, 257035, 514070, 668291, 1028140, 1336582, 2673164, 3341455, 6682910, 13365820]

約数ペア:

[(1, 13365820), (2, 6682910), (4, 3341455), (5, 2673164), (10, 1336582), (13, 1028140), (20, 668291), (26, 514070), (52, 257035), (65, 205628), (130, 102814), (260, 51407)]