55262920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 132678000

約数和(自身を除く): 77415080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 181, 340, 362, 449, 680, 724, 898, 905, 1448, 1796, 1810, 2245, 3077, 3592, 3620, 4490, 6154, 7240, 7633, 8980, 12308, 15266, 15385, 17960, 24616, 30532, 30770, 38165, 61064, 61540, 76330, 81269, 123080, 152660, 162538, 305320, 325076, 406345, 650152, 812690, 1381573, 1625380, 2763146, 3250760, 5526292, 6907865, 11052584, 13815730, 27631460, 55262920]

約数ペア:

[(1, 55262920), (2, 27631460), (4, 13815730), (5, 11052584), (8, 6907865), (10, 5526292), (17, 3250760), (20, 2763146), (34, 1625380), (40, 1381573), (68, 812690), (85, 650152), (136, 406345), (170, 325076), (181, 305320), (340, 162538), (362, 152660), (449, 123080), (680, 81269), (724, 76330), (898, 61540), (905, 61064), (1448, 38165), (1796, 30770), (1810, 30532), (2245, 24616), (3077, 17960), (3592, 15385), (3620, 15266), (4490, 12308), (6154, 8980), (7240, 7633)]