249508720

素因数分解:

$2^4\times 5^1\times {\mathrm{3118859}}^1$

素因数の和:3118872

約数の個数: 20

約数和(自身を含む): 580107960

約数和(自身を除く): 330599240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3118859, 6237718, 12475436, 15594295, 24950872, 31188590, 49901744, 62377180, 124754360, 249508720]

約数ペア:

[(1, 249508720), (2, 124754360), (4, 62377180), (5, 49901744), (8, 31188590), (10, 24950872), (16, 15594295), (20, 12475436), (40, 6237718), (80, 3118859)]