28565900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25969}}^1$

素因数の和:25994

約数の個数: 36

約数和(自身を含む): 67625880

約数和(自身を除く): 39059980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 25969, 51938, 103876, 129845, 259690, 285659, 519380, 571318, 649225, 1142636, 1298450, 1428295, 2596900, 2856590, 5713180, 7141475, 14282950, 28565900]

約数ペア:

[(1, 28565900), (2, 14282950), (4, 7141475), (5, 5713180), (10, 2856590), (11, 2596900), (20, 1428295), (22, 1298450), (25, 1142636), (44, 649225), (50, 571318), (55, 519380), (100, 285659), (110, 259690), (220, 129845), (275, 103876), (550, 51938), (1100, 25969)]