85389520

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:380

約数の個数: 80

約数和(自身を含む): 205344000

約数和(自身を除く): 119954480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 79, 80, 118, 158, 229, 236, 295, 316, 395, 458, 472, 590, 632, 790, 916, 944, 1145, 1180, 1264, 1580, 1832, 2290, 2360, 3160, 3664, 4580, 4661, 4720, 6320, 9160, 9322, 13511, 18091, 18320, 18644, 23305, 27022, 36182, 37288, 46610, 54044, 67555, 72364, 74576, 90455, 93220, 108088, 135110, 144728, 180910, 186440, 216176, 270220, 289456, 361820, 372880, 540440, 723640, 1067369, 1080880, 1447280, 2134738, 4269476, 5336845, 8538952, 10673690, 17077904, 21347380, 42694760, 85389520]

約数ペア:

[(1, 85389520), (2, 42694760), (4, 21347380), (5, 17077904), (8, 10673690), (10, 8538952), (16, 5336845), (20, 4269476), (40, 2134738), (59, 1447280), (79, 1080880), (80, 1067369), (118, 723640), (158, 540440), (229, 372880), (236, 361820), (295, 289456), (316, 270220), (395, 216176), (458, 186440), (472, 180910), (590, 144728), (632, 135110), (790, 108088), (916, 93220), (944, 90455), (1145, 74576), (1180, 72364), (1264, 67555), (1580, 54044), (1832, 46610), (2290, 37288), (2360, 36182), (3160, 27022), (3664, 23305), (4580, 18644), (4661, 18320), (4720, 18091), (6320, 13511), (9160, 9322)]