40140464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1498

約数の個数: 80

約数和(自身を含む): 100826880

約数和(自身を除く): 60686416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1451, 1456, 1729, 1976, 2128, 2902, 3458, 3952, 5804, 6916, 10157, 11608, 13832, 18863, 20314, 23216, 27569, 27664, 37726, 40628, 55138, 75452, 81256, 110276, 132041, 150904, 162512, 192983, 220552, 264082, 301808, 358397, 385966, 441104, 528164, 716794, 771932, 1056328, 1433588, 1543864, 2112656, 2508779, 2867176, 3087728, 5017558, 5734352, 10035116, 20070232, 40140464]

約数ペア:

[(1, 40140464), (2, 20070232), (4, 10035116), (7, 5734352), (8, 5017558), (13, 3087728), (14, 2867176), (16, 2508779), (19, 2112656), (26, 1543864), (28, 1433588), (38, 1056328), (52, 771932), (56, 716794), (76, 528164), (91, 441104), (104, 385966), (112, 358397), (133, 301808), (152, 264082), (182, 220552), (208, 192983), (247, 162512), (266, 150904), (304, 132041), (364, 110276), (494, 81256), (532, 75452), (728, 55138), (988, 40628), (1064, 37726), (1451, 27664), (1456, 27569), (1729, 23216), (1976, 20314), (2128, 18863), (2902, 13832), (3458, 11608), (3952, 10157), (5804, 6916)]