6464540

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1229}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 13638240

約数和(自身を除く): 7173700

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1229, 1315, 2458, 2630, 4916, 5260, 6145, 12290, 24580, 323227, 646454, 1292908, 1616135, 3232270, 6464540]

約数ペア:

[(1, 6464540), (2, 3232270), (4, 1616135), (5, 1292908), (10, 646454), (20, 323227), (263, 24580), (526, 12290), (1052, 6145), (1229, 5260), (1315, 4916), (2458, 2630)]