89955560

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9907}}^1$

素因数の和:10145

約数の個数: 32

約数和(自身を含む): 203312160

約数和(自身を除く): 113356600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1816, 2270, 4540, 9080, 9907, 19814, 39628, 49535, 79256, 99070, 198140, 396280, 2248889, 4497778, 8995556, 11244445, 17991112, 22488890, 44977780, 89955560]

約数ペア:

[(1, 89955560), (2, 44977780), (4, 22488890), (5, 17991112), (8, 11244445), (10, 8995556), (20, 4497778), (40, 2248889), (227, 396280), (454, 198140), (908, 99070), (1135, 79256), (1816, 49535), (2270, 39628), (4540, 19814), (9080, 9907)]