11997920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:444

約数の個数: 96

約数和(自身を含む): 32822496

約数和(自身を除く): 20824576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 401, 440, 544, 680, 748, 802, 880, 935, 1360, 1496, 1604, 1760, 1870, 2005, 2720, 2992, 3208, 3740, 4010, 4411, 5984, 6416, 6817, 7480, 8020, 8822, 12832, 13634, 14960, 16040, 17644, 22055, 27268, 29920, 32080, 34085, 35288, 44110, 54536, 64160, 68170, 70576, 74987, 88220, 109072, 136340, 141152, 149974, 176440, 218144, 272680, 299948, 352880, 374935, 545360, 599896, 705760, 749870, 1090720, 1199792, 1499740, 2399584, 2999480, 5998960, 11997920]

約数ペア:

[(1, 11997920), (2, 5998960), (4, 2999480), (5, 2399584), (8, 1499740), (10, 1199792), (11, 1090720), (16, 749870), (17, 705760), (20, 599896), (22, 545360), (32, 374935), (34, 352880), (40, 299948), (44, 272680), (55, 218144), (68, 176440), (80, 149974), (85, 141152), (88, 136340), (110, 109072), (136, 88220), (160, 74987), (170, 70576), (176, 68170), (187, 64160), (220, 54536), (272, 44110), (340, 35288), (352, 34085), (374, 32080), (401, 29920), (440, 27268), (544, 22055), (680, 17644), (748, 16040), (802, 14960), (880, 13634), (935, 12832), (1360, 8822), (1496, 8020), (1604, 7480), (1760, 6817), (1870, 6416), (2005, 5984), (2720, 4411), (2992, 4010), (3208, 3740)]