87117880

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5839}}^1$

素因数の和:6223

約数の個数: 32

約数和(自身を含む): 196574400

約数和(自身を除く): 109456520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1492, 1865, 2984, 3730, 5839, 7460, 11678, 14920, 23356, 29195, 46712, 58390, 116780, 233560, 2177947, 4355894, 8711788, 10889735, 17423576, 21779470, 43558940, 87117880]

約数ペア:

[(1, 87117880), (2, 43558940), (4, 21779470), (5, 17423576), (8, 10889735), (10, 8711788), (20, 4355894), (40, 2177947), (373, 233560), (746, 116780), (1492, 58390), (1865, 46712), (2984, 29195), (3730, 23356), (5839, 14920), (7460, 11678)]