51714440

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1871}}^1$

素因数の和:2573

約数の個数: 32

約数和(自身を含む): 116588160

約数和(自身を除く): 64873720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 1871, 2764, 3455, 3742, 5528, 6910, 7484, 9355, 13820, 14968, 18710, 27640, 37420, 74840, 1292861, 2585722, 5171444, 6464305, 10342888, 12928610, 25857220, 51714440]

約数ペア:

[(1, 51714440), (2, 25857220), (4, 12928610), (5, 10342888), (8, 6464305), (10, 5171444), (20, 2585722), (40, 1292861), (691, 74840), (1382, 37420), (1871, 27640), (2764, 18710), (3455, 14968), (3742, 13820), (5528, 9355), (6910, 7484)]