16804968875

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{19121}}^1$

素因数の和:19304

約数の個数: 32

約数和(自身を含む): 21477830400

約数和(自身を除く): 4672861525

約数列:

[1, 5, 25, 79, 89, 125, 395, 445, 1975, 2225, 7031, 9875, 11125, 19121, 35155, 95605, 175775, 478025, 878875, 1510559, 1701769, 2390125, 7552795, 8508845, 37763975, 42544225, 134439751, 188819875, 212721125, 672198755, 3360993775, 16804968875]

約数ペア:

[(1, 16804968875), (5, 3360993775), (25, 672198755), (79, 212721125), (89, 188819875), (125, 134439751), (395, 42544225), (445, 37763975), (1975, 8508845), (2225, 7552795), (7031, 2390125), (9875, 1701769), (11125, 1510559), (19121, 878875), (35155, 478025), (95605, 175775)]