85191920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:894

約数の個数: 80

約数和(自身を含む): 218021760

約数和(自身を除く): 132829840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 440, 524, 655, 739, 880, 1048, 1310, 1441, 1478, 2096, 2620, 2882, 2956, 3695, 5240, 5764, 5912, 7205, 7390, 8129, 10480, 11528, 11824, 14410, 14780, 16258, 23056, 28820, 29560, 32516, 40645, 57640, 59120, 65032, 81290, 96809, 115280, 130064, 162580, 193618, 325160, 387236, 484045, 650320, 774472, 968090, 1064899, 1548944, 1936180, 2129798, 3872360, 4259596, 5324495, 7744720, 8519192, 10648990, 17038384, 21297980, 42595960, 85191920]

約数ペア:

[(1, 85191920), (2, 42595960), (4, 21297980), (5, 17038384), (8, 10648990), (10, 8519192), (11, 7744720), (16, 5324495), (20, 4259596), (22, 3872360), (40, 2129798), (44, 1936180), (55, 1548944), (80, 1064899), (88, 968090), (110, 774472), (131, 650320), (176, 484045), (220, 387236), (262, 325160), (440, 193618), (524, 162580), (655, 130064), (739, 115280), (880, 96809), (1048, 81290), (1310, 65032), (1441, 59120), (1478, 57640), (2096, 40645), (2620, 32516), (2882, 29560), (2956, 28820), (3695, 23056), (5240, 16258), (5764, 14780), (5912, 14410), (7205, 11824), (7390, 11528), (8129, 10480)]