28284380

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13217}}^1$

素因数の和:13333

約数の個数: 24

約数和(自身を含む): 59956848

約数和(自身を除く): 31672468

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 13217, 26434, 52868, 66085, 132170, 264340, 1414219, 2828438, 5656876, 7071095, 14142190, 28284380]

約数ペア:

[(1, 28284380), (2, 14142190), (4, 7071095), (5, 5656876), (10, 2828438), (20, 1414219), (107, 264340), (214, 132170), (428, 66085), (535, 52868), (1070, 26434), (2140, 13217)]