81969550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{126107}}^1$

素因数の和:126132

約数の個数: 24

約数和(自身を含む): 164192616

約数和(自身を除く): 82223066

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 126107, 252214, 630535, 1261070, 1639391, 3152675, 3278782, 6305350, 8196955, 16393910, 40984775, 81969550]

約数ペア:

[(1, 81969550), (2, 40984775), (5, 16393910), (10, 8196955), (13, 6305350), (25, 3278782), (26, 3152675), (50, 1639391), (65, 1261070), (130, 630535), (325, 252214), (650, 126107)]