16451320

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2131}}^1$

素因数の和:2335

約数の個数: 32

約数和(自身を含む): 37224720

約数和(自身を除く): 20773400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2131, 3860, 4262, 7720, 8524, 10655, 17048, 21310, 42620, 85240, 411283, 822566, 1645132, 2056415, 3290264, 4112830, 8225660, 16451320]

約数ペア:

[(1, 16451320), (2, 8225660), (4, 4112830), (5, 3290264), (8, 2056415), (10, 1645132), (20, 822566), (40, 411283), (193, 85240), (386, 42620), (772, 21310), (965, 17048), (1544, 10655), (1930, 8524), (2131, 7720), (3860, 4262)]