28292440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64301}}^1$

素因数の和:64323

約数の個数: 32

約数和(自身を含む): 69446160

約数和(自身を除く): 41153720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64301, 128602, 257204, 321505, 514408, 643010, 707311, 1286020, 1414622, 2572040, 2829244, 3536555, 5658488, 7073110, 14146220, 28292440]

約数ペア:

[(1, 28292440), (2, 14146220), (4, 7073110), (5, 5658488), (8, 3536555), (10, 2829244), (11, 2572040), (20, 1414622), (22, 1286020), (40, 707311), (44, 643010), (55, 514408), (88, 321505), (110, 257204), (220, 128602), (440, 64301)]