80075575

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 101645280

約数和(自身を除く): 21569705

約数列:

[1, 5, 25, 71, 197, 229, 355, 985, 1145, 1775, 4925, 5725, 13987, 16259, 45113, 69935, 81295, 225565, 349675, 406475, 1127825, 3203023, 16015115, 80075575]

約数ペア:

[(1, 80075575), (5, 16015115), (25, 3203023), (71, 1127825), (197, 406475), (229, 349675), (355, 225565), (985, 81295), (1145, 69935), (1775, 45113), (4925, 16259), (5725, 13987)]