2517820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 5505192

約数和(自身を除く): 2987372

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 961, 1310, 1922, 2620, 3844, 4061, 4805, 8122, 9610, 16244, 19220, 20305, 40610, 81220, 125891, 251782, 503564, 629455, 1258910, 2517820]

約数ペア:

[(1, 2517820), (2, 1258910), (4, 629455), (5, 503564), (10, 251782), (20, 125891), (31, 81220), (62, 40610), (124, 20305), (131, 19220), (155, 16244), (262, 9610), (310, 8122), (524, 4805), (620, 4061), (655, 3844), (961, 2620), (1310, 1922)]