80174990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{36947}}^1$

素因数の和:36992

約数の個数: 32

約数和(自身を含む): 170256384

約数和(自身を除く): 90081394

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 36947, 73894, 184735, 258629, 369470, 517258, 1145357, 1293145, 2290714, 2586290, 5726785, 8017499, 11453570, 16034998, 40087495, 80174990]

約数ペア:

[(1, 80174990), (2, 40087495), (5, 16034998), (7, 11453570), (10, 8017499), (14, 5726785), (31, 2586290), (35, 2290714), (62, 1293145), (70, 1145357), (155, 517258), (217, 369470), (310, 258629), (434, 184735), (1085, 73894), (2170, 36947)]