80856280

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{6899}}^1$

素因数の和:7203

約数の個数: 32

約数和(自身を含む): 182574000

約数和(自身を除く): 101717720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 6899, 11720, 13798, 27596, 34495, 55192, 68990, 137980, 275960, 2021407, 4042814, 8085628, 10107035, 16171256, 20214070, 40428140, 80856280]

約数ペア:

[(1, 80856280), (2, 40428140), (4, 20214070), (5, 16171256), (8, 10107035), (10, 8085628), (20, 4042814), (40, 2021407), (293, 275960), (586, 137980), (1172, 68990), (1465, 55192), (2344, 34495), (2930, 27596), (5860, 13798), (6899, 11720)]