42162760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 99429120

約数和(自身を除く): 57266360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 547, 820, 940, 1094, 1640, 1880, 1927, 2188, 2735, 3854, 4376, 5470, 7708, 9635, 10940, 15416, 19270, 21880, 22427, 25709, 38540, 44854, 51418, 77080, 89708, 102836, 112135, 128545, 179416, 205672, 224270, 257090, 448540, 514180, 897080, 1028360, 1054069, 2108138, 4216276, 5270345, 8432552, 10540690, 21081380, 42162760]

約数ペア:

[(1, 42162760), (2, 21081380), (4, 10540690), (5, 8432552), (8, 5270345), (10, 4216276), (20, 2108138), (40, 1054069), (41, 1028360), (47, 897080), (82, 514180), (94, 448540), (164, 257090), (188, 224270), (205, 205672), (235, 179416), (328, 128545), (376, 112135), (410, 102836), (470, 89708), (547, 77080), (820, 51418), (940, 44854), (1094, 38540), (1640, 25709), (1880, 22427), (1927, 21880), (2188, 19270), (2735, 15416), (3854, 10940), (4376, 9635), (5470, 7708)]