25561020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2551}}^1$

素因数の和:2730

約数の個数: 48

約数和(自身を含む): 72027648

約数和(自身を除く): 46466628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 167, 334, 501, 668, 835, 1002, 1670, 2004, 2505, 2551, 3340, 5010, 5102, 7653, 10020, 10204, 12755, 15306, 25510, 30612, 38265, 51020, 76530, 153060, 426017, 852034, 1278051, 1704068, 2130085, 2556102, 4260170, 5112204, 6390255, 8520340, 12780510, 25561020]

約数ペア:

[(1, 25561020), (2, 12780510), (3, 8520340), (4, 6390255), (5, 5112204), (6, 4260170), (10, 2556102), (12, 2130085), (15, 1704068), (20, 1278051), (30, 852034), (60, 426017), (167, 153060), (334, 76530), (501, 51020), (668, 38265), (835, 30612), (1002, 25510), (1670, 15306), (2004, 12755), (2505, 10204), (2551, 10020), (3340, 7653), (5010, 5102)]