123845240

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{10567}}^1$

素因数の和:10871

約数の個数: 32

約数和(自身を含む): 279629280

約数和(自身を除く): 155784040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 10567, 11720, 21134, 42268, 52835, 84536, 105670, 211340, 422680, 3096131, 6192262, 12384524, 15480655, 24769048, 30961310, 61922620, 123845240]

約数ペア:

[(1, 123845240), (2, 61922620), (4, 30961310), (5, 24769048), (8, 15480655), (10, 12384524), (20, 6192262), (40, 3096131), (293, 422680), (586, 211340), (1172, 105670), (1465, 84536), (2344, 52835), (2930, 42268), (5860, 21134), (10567, 11720)]