91255280

素因数分解:

$2^4\times 5^1\times {\mathrm{1140691}}^1$

素因数の和:1140704

約数の個数: 20

約数和(自身を含む): 212168712

約数和(自身を除く): 120913432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1140691, 2281382, 4562764, 5703455, 9125528, 11406910, 18251056, 22813820, 45627640, 91255280]

約数ペア:

[(1, 91255280), (2, 45627640), (4, 22813820), (5, 18251056), (8, 11406910), (10, 9125528), (16, 5703455), (20, 4562764), (40, 2281382), (80, 1140691)]