90798160

素因数分解:

$2^4\times 5^1\times {\mathrm{1134977}}^1$

素因数の和:1134990

約数の個数: 20

約数和(自身を含む): 211105908

約数和(自身を除く): 120307748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1134977, 2269954, 4539908, 5674885, 9079816, 11349770, 18159632, 22699540, 45399080, 90798160]

約数ペア:

[(1, 90798160), (2, 45399080), (4, 22699540), (5, 18159632), (8, 11349770), (10, 9079816), (16, 5674885), (20, 4539908), (40, 2269954), (80, 1134977)]