38988580

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9239}}^1$

素因数の和:9459

約数の個数: 24

約数和(自身を含む): 82272960

約数和(自身を除く): 43284380

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 9239, 18478, 36956, 46195, 92390, 184780, 1949429, 3898858, 7797716, 9747145, 19494290, 38988580]

約数ペア:

[(1, 38988580), (2, 19494290), (4, 9747145), (5, 7797716), (10, 3898858), (20, 1949429), (211, 184780), (422, 92390), (844, 46195), (1055, 36956), (2110, 18478), (4220, 9239)]