38730140

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{6991}}^1$

素因数の和:7277

約数の個数: 24

約数和(自身を含む): 81638592

約数和(自身を除く): 42908452

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 6991, 13982, 27964, 34955, 69910, 139820, 1936507, 3873014, 7746028, 9682535, 19365070, 38730140]

約数ペア:

[(1, 38730140), (2, 19365070), (4, 9682535), (5, 7746028), (10, 3873014), (20, 1936507), (277, 139820), (554, 69910), (1108, 34955), (1385, 27964), (2770, 13982), (5540, 6991)]