517240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 1187280

約数和(自身を除く): 670040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 193, 268, 335, 386, 536, 670, 772, 965, 1340, 1544, 1930, 2680, 3860, 7720, 12931, 25862, 51724, 64655, 103448, 129310, 258620, 517240]

約数ペア:

[(1, 517240), (2, 258620), (4, 129310), (5, 103448), (8, 64655), (10, 51724), (20, 25862), (40, 12931), (67, 7720), (134, 3860), (193, 2680), (268, 1930), (335, 1544), (386, 1340), (536, 965), (670, 772)]