28864908575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{15881}}^1$

素因数の和:16052

約数の個数: 48

約数和(自身を含む): 38993486400

約数和(自身を除く): 10128577825

約数列:

[1, 5, 23, 25, 29, 109, 115, 145, 545, 575, 667, 725, 2507, 2725, 3161, 3335, 12535, 15805, 15881, 16675, 62675, 72703, 79025, 79405, 363515, 365263, 397025, 460549, 1731029, 1817575, 1826315, 2302745, 8655145, 9131575, 10592627, 11513725, 39813667, 43275725, 50199841, 52963135, 199068335, 250999205, 264815675, 995341675, 1154596343, 1254996025, 5772981715, 28864908575]

約数ペア:

[(1, 28864908575), (5, 5772981715), (23, 1254996025), (25, 1154596343), (29, 995341675), (109, 264815675), (115, 250999205), (145, 199068335), (545, 52963135), (575, 50199841), (667, 43275725), (725, 39813667), (2507, 11513725), (2725, 10592627), (3161, 9131575), (3335, 8655145), (12535, 2302745), (15805, 1826315), (15881, 1817575), (16675, 1731029), (62675, 460549), (72703, 397025), (79025, 365263), (79405, 363515)]