51805720

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{3529}}^1$

素因数の和:3907

約数の個数: 32

約数和(自身を含む): 116913600

約数和(自身を除く): 65107880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3529, 3670, 7058, 7340, 14116, 14680, 17645, 28232, 35290, 70580, 141160, 1295143, 2590286, 5180572, 6475715, 10361144, 12951430, 25902860, 51805720]

約数ペア:

[(1, 51805720), (2, 25902860), (4, 12951430), (5, 10361144), (8, 6475715), (10, 5180572), (20, 2590286), (40, 1295143), (367, 141160), (734, 70580), (1468, 35290), (1835, 28232), (2936, 17645), (3529, 14680), (3670, 14116), (7058, 7340)]