5272840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2161}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 12063960

約数和(自身を除く): 6791120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2161, 2440, 4322, 8644, 10805, 17288, 21610, 43220, 86440, 131821, 263642, 527284, 659105, 1054568, 1318210, 2636420, 5272840]

約数ペア:

[(1, 5272840), (2, 2636420), (4, 1318210), (5, 1054568), (8, 659105), (10, 527284), (20, 263642), (40, 131821), (61, 86440), (122, 43220), (244, 21610), (305, 17288), (488, 10805), (610, 8644), (1220, 4322), (2161, 2440)]