1918908025

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{9433}}^1$

素因数の和:9625

約数の個数: 24

約数和(自身を含む): 2433217280

約数和(自身を除く): 514309255

約数列:

[1, 5, 25, 79, 103, 395, 515, 1975, 2575, 8137, 9433, 40685, 47165, 203425, 235825, 745207, 971599, 3726035, 4857995, 18630175, 24289975, 76756321, 383781605, 1918908025]

約数ペア:

[(1, 1918908025), (5, 383781605), (25, 76756321), (79, 24289975), (103, 18630175), (395, 4857995), (515, 3726035), (1975, 971599), (2575, 745207), (8137, 235825), (9433, 203425), (40685, 47165)]