28387008619160

素因数分解:

$2^3\times 5^1\times {\mathrm{3259}}^1\times {\mathrm{217758581}}^1$

素因数の和:217761851

約数の個数: 32

約数和(自身を含む): 63890367958800

約数和(自身を除く): 35503359339640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3259, 6518, 13036, 16295, 26072, 32590, 65180, 130360, 217758581, 435517162, 871034324, 1088792905, 1742068648, 2177585810, 4355171620, 8710343240, 709675215479, 1419350430958, 2838700861916, 3548376077395, 5677401723832, 7096752154790, 14193504309580, 28387008619160]

約数ペア:

[(1, 28387008619160), (2, 14193504309580), (4, 7096752154790), (5, 5677401723832), (8, 3548376077395), (10, 2838700861916), (20, 1419350430958), (40, 709675215479), (3259, 8710343240), (6518, 4355171620), (13036, 2177585810), (16295, 1742068648), (26072, 1088792905), (32590, 871034324), (65180, 435517162), (130360, 217758581)]