25978540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1913}}^1$

素因数の和:2026

約数の個数: 48

約数和(自身を含む): 63024192

約数和(自身を除く): 37045652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1913, 1940, 2716, 3395, 3826, 6790, 7652, 9565, 13391, 13580, 19130, 26782, 38260, 53564, 66955, 133910, 185561, 267820, 371122, 742244, 927805, 1298927, 1855610, 2597854, 3711220, 5195708, 6494635, 12989270, 25978540]

約数ペア:

[(1, 25978540), (2, 12989270), (4, 6494635), (5, 5195708), (7, 3711220), (10, 2597854), (14, 1855610), (20, 1298927), (28, 927805), (35, 742244), (70, 371122), (97, 267820), (140, 185561), (194, 133910), (388, 66955), (485, 53564), (679, 38260), (970, 26782), (1358, 19130), (1913, 13580), (1940, 13391), (2716, 9565), (3395, 7652), (3826, 6790)]