85609880

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{1951}}^1$

素因数の和:3059

約数の個数: 32

約数和(自身を含む): 192896640

約数和(自身を除く): 107286760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 1951, 2194, 3902, 4388, 5485, 7804, 8776, 9755, 10970, 15608, 19510, 21940, 39020, 43880, 78040, 2140247, 4280494, 8560988, 10701235, 17121976, 21402470, 42804940, 85609880]

約数ペア:

[(1, 85609880), (2, 42804940), (4, 21402470), (5, 17121976), (8, 10701235), (10, 8560988), (20, 4280494), (40, 2140247), (1097, 78040), (1951, 43880), (2194, 39020), (3902, 21940), (4388, 19510), (5485, 15608), (7804, 10970), (8776, 9755)]