80668250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{24821}}^1$

素因数の和:24851

約数の個数: 32

約数和(自身を含む): 162633744

約数和(自身を除く): 81965494

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 24821, 49642, 124105, 248210, 322673, 620525, 645346, 1241050, 1613365, 3102625, 3226730, 6205250, 8066825, 16133650, 40334125, 80668250]

約数ペア:

[(1, 80668250), (2, 40334125), (5, 16133650), (10, 8066825), (13, 6205250), (25, 3226730), (26, 3102625), (50, 1613365), (65, 1241050), (125, 645346), (130, 620525), (250, 322673), (325, 248210), (650, 124105), (1625, 49642), (3250, 24821)]