87760

素因数分解:

$2^4\times 5^1\times {\mathrm{1097}}^1$

素因数の和:1110

約数の個数: 20

約数和(自身を含む): 204228

約数和(自身を除く): 116468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1097, 2194, 4388, 5485, 8776, 10970, 17552, 21940, 43880, 87760]

約数ペア:

[(1, 87760), (2, 43880), (4, 21940), (5, 17552), (8, 10970), (10, 8776), (16, 5485), (20, 4388), (40, 2194), (80, 1097)]