2012102480

素因数分解:

$2^4\times 5^1\times {\mathrm{25151281}}^1$

素因数の和:25151294

約数の個数: 20

約数和(自身を含む): 4678138452

約数和(自身を除く): 2666035972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25151281, 50302562, 100605124, 125756405, 201210248, 251512810, 402420496, 503025620, 1006051240, 2012102480]

約数ペア:

[(1, 2012102480), (2, 1006051240), (4, 503025620), (5, 402420496), (8, 251512810), (10, 201210248), (16, 125756405), (20, 100605124), (40, 50302562), (80, 25151281)]