3257840

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 40

約数和(自身を含む): 7649808

約数和(自身を除く): 4391968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 211, 386, 422, 772, 844, 965, 1055, 1544, 1688, 1930, 2110, 3088, 3376, 3860, 4220, 7720, 8440, 15440, 16880, 40723, 81446, 162892, 203615, 325784, 407230, 651568, 814460, 1628920, 3257840]

約数ペア:

[(1, 3257840), (2, 1628920), (4, 814460), (5, 651568), (8, 407230), (10, 325784), (16, 203615), (20, 162892), (40, 81446), (80, 40723), (193, 16880), (211, 15440), (386, 8440), (422, 7720), (772, 4220), (844, 3860), (965, 3376), (1055, 3088), (1544, 2110), (1688, 1930)]