2636420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 5629848

約数和(自身を除く): 2993428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2161, 4322, 8644, 10805, 21610, 43220, 131821, 263642, 527284, 659105, 1318210, 2636420]

約数ペア:

[(1, 2636420), (2, 1318210), (4, 659105), (5, 527284), (10, 263642), (20, 131821), (61, 43220), (122, 21610), (244, 10805), (305, 8644), (610, 4322), (1220, 2161)]