79543840

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4561}}^1$

素因数の和:4685

約数の個数: 48

約数和(自身を含む): 189687960

約数和(自身を除く): 110144120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 4561, 8720, 9122, 17440, 18244, 22805, 36488, 45610, 72976, 91220, 145952, 182440, 364880, 497149, 729760, 994298, 1988596, 2485745, 3977192, 4971490, 7954384, 9942980, 15908768, 19885960, 39771920, 79543840]

約数ペア:

[(1, 79543840), (2, 39771920), (4, 19885960), (5, 15908768), (8, 9942980), (10, 7954384), (16, 4971490), (20, 3977192), (32, 2485745), (40, 1988596), (80, 994298), (109, 729760), (160, 497149), (218, 364880), (436, 182440), (545, 145952), (872, 91220), (1090, 72976), (1744, 45610), (2180, 36488), (3488, 22805), (4360, 18244), (4561, 17440), (8720, 9122)]