2005036040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{311341}}^1$

素因数の和:311382

約数の個数: 64

約数和(自身を含む): 5379989760

約数和(自身を除く): 3374953720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 311341, 622682, 1245364, 1556705, 2179387, 2490728, 3113410, 4358774, 6226820, 7160843, 8717548, 10896935, 12453640, 14321686, 17435096, 21793870, 28643372, 35804215, 43587740, 50125901, 57286744, 71608430, 87175480, 100251802, 143216860, 200503604, 250629505, 286433720, 401007208, 501259010, 1002518020, 2005036040]

約数ペア:

[(1, 2005036040), (2, 1002518020), (4, 501259010), (5, 401007208), (7, 286433720), (8, 250629505), (10, 200503604), (14, 143216860), (20, 100251802), (23, 87175480), (28, 71608430), (35, 57286744), (40, 50125901), (46, 43587740), (56, 35804215), (70, 28643372), (92, 21793870), (115, 17435096), (140, 14321686), (161, 12453640), (184, 10896935), (230, 8717548), (280, 7160843), (322, 6226820), (460, 4358774), (644, 3113410), (805, 2490728), (920, 2179387), (1288, 1556705), (1610, 1245364), (3220, 622682), (6440, 311341)]