87488240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156229}}^1$

素因数の和:156249

約数の個数: 40

約数和(自身を含む): 232470240

約数和(自身を除く): 144982000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156229, 312458, 624916, 781145, 1093603, 1249832, 1562290, 2187206, 2499664, 3124580, 4374412, 5468015, 6249160, 8748824, 10936030, 12498320, 17497648, 21872060, 43744120, 87488240]

約数ペア:

[(1, 87488240), (2, 43744120), (4, 21872060), (5, 17497648), (7, 12498320), (8, 10936030), (10, 8748824), (14, 6249160), (16, 5468015), (20, 4374412), (28, 3124580), (35, 2499664), (40, 2187206), (56, 1562290), (70, 1249832), (80, 1093603), (112, 781145), (140, 624916), (280, 312458), (560, 156229)]