2555320

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 5796720

約数和(自身を除く): 3241400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 331, 386, 662, 772, 965, 1324, 1544, 1655, 1930, 2648, 3310, 3860, 6620, 7720, 13240, 63883, 127766, 255532, 319415, 511064, 638830, 1277660, 2555320]

約数ペア:

[(1, 2555320), (2, 1277660), (4, 638830), (5, 511064), (8, 319415), (10, 255532), (20, 127766), (40, 63883), (193, 13240), (331, 7720), (386, 6620), (662, 3860), (772, 3310), (965, 2648), (1324, 1930), (1544, 1655)]