86817560

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8009}}^1$

素因数の和:8291

約数の個数: 32

約数和(自身を含む): 196084800

約数和(自身を除く): 109267240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8009, 10840, 16018, 32036, 40045, 64072, 80090, 160180, 320360, 2170439, 4340878, 8681756, 10852195, 17363512, 21704390, 43408780, 86817560]

約数ペア:

[(1, 86817560), (2, 43408780), (4, 21704390), (5, 17363512), (8, 10852195), (10, 8681756), (20, 4340878), (40, 2170439), (271, 320360), (542, 160180), (1084, 80090), (1355, 64072), (2168, 40045), (2710, 32036), (5420, 16018), (8009, 10840)]