26116760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 62856000

約数和(自身を除く): 36739240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 193, 199, 340, 386, 398, 680, 772, 796, 965, 995, 1544, 1592, 1930, 1990, 3281, 3383, 3860, 3980, 6562, 6766, 7720, 7960, 13124, 13532, 16405, 16915, 26248, 27064, 32810, 33830, 38407, 65620, 67660, 76814, 131240, 135320, 153628, 192035, 307256, 384070, 652919, 768140, 1305838, 1536280, 2611676, 3264595, 5223352, 6529190, 13058380, 26116760]

約数ペア:

[(1, 26116760), (2, 13058380), (4, 6529190), (5, 5223352), (8, 3264595), (10, 2611676), (17, 1536280), (20, 1305838), (34, 768140), (40, 652919), (68, 384070), (85, 307256), (136, 192035), (170, 153628), (193, 135320), (199, 131240), (340, 76814), (386, 67660), (398, 65620), (680, 38407), (772, 33830), (796, 32810), (965, 27064), (995, 26248), (1544, 16915), (1592, 16405), (1930, 13532), (1990, 13124), (3281, 7960), (3383, 7720), (3860, 6766), (3980, 6562)]