64872860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4229}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 149234400

約数和(自身を除く): 84361540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 3068, 3835, 4229, 7670, 8458, 15340, 16916, 21145, 42290, 54977, 84580, 109954, 219908, 249511, 274885, 499022, 549770, 998044, 1099540, 1247555, 2495110, 3243643, 4990220, 6487286, 12974572, 16218215, 32436430, 64872860]

約数ペア:

[(1, 64872860), (2, 32436430), (4, 16218215), (5, 12974572), (10, 6487286), (13, 4990220), (20, 3243643), (26, 2495110), (52, 1247555), (59, 1099540), (65, 998044), (118, 549770), (130, 499022), (236, 274885), (260, 249511), (295, 219908), (590, 109954), (767, 84580), (1180, 54977), (1534, 42290), (3068, 21145), (3835, 16916), (4229, 15340), (7670, 8458)]