28111120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9497}}^1$

素因数の和:9547

約数の個数: 40

約数和(自身を含む): 67131864

約数和(自身を除く): 39020744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 9497, 18994, 37988, 47485, 75976, 94970, 151952, 189940, 351389, 379880, 702778, 759760, 1405556, 1756945, 2811112, 3513890, 5622224, 7027780, 14055560, 28111120]

約数ペア:

[(1, 28111120), (2, 14055560), (4, 7027780), (5, 5622224), (8, 3513890), (10, 2811112), (16, 1756945), (20, 1405556), (37, 759760), (40, 702778), (74, 379880), (80, 351389), (148, 189940), (185, 151952), (296, 94970), (370, 75976), (592, 47485), (740, 37988), (1480, 18994), (2960, 9497)]