87004880

素因数分解:

$2^4\times 5^1\times {\mathrm{1087561}}^1$

素因数の和:1087574

約数の個数: 20

約数和(自身を含む): 202286532

約数和(自身を除く): 115281652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1087561, 2175122, 4350244, 5437805, 8700488, 10875610, 17400976, 21751220, 43502440, 87004880]

約数ペア:

[(1, 87004880), (2, 43502440), (4, 21751220), (5, 17400976), (8, 10875610), (10, 8700488), (16, 5437805), (20, 4350244), (40, 2175122), (80, 1087561)]