91989880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{99989}}^1$

素因数の和:100023

約数の個数: 32

約数和(自身を含む): 215978400

約数和(自身を除く): 123988520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 99989, 199978, 399956, 499945, 799912, 999890, 1999780, 2299747, 3999560, 4599494, 9198988, 11498735, 18397976, 22997470, 45994940, 91989880]

約数ペア:

[(1, 91989880), (2, 45994940), (4, 22997470), (5, 18397976), (8, 11498735), (10, 9198988), (20, 4599494), (23, 3999560), (40, 2299747), (46, 1999780), (92, 999890), (115, 799912), (184, 499945), (230, 399956), (460, 199978), (920, 99989)]