87664480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28837}}^1$

素因数の和:28871

約数の個数: 48

約数和(自身を含む): 218015280

約数和(自身を除く): 130350800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28837, 57674, 115348, 144185, 230696, 288370, 461392, 547903, 576740, 922784, 1095806, 1153480, 2191612, 2306960, 2739515, 4383224, 4613920, 5479030, 8766448, 10958060, 17532896, 21916120, 43832240, 87664480]

約数ペア:

[(1, 87664480), (2, 43832240), (4, 21916120), (5, 17532896), (8, 10958060), (10, 8766448), (16, 5479030), (19, 4613920), (20, 4383224), (32, 2739515), (38, 2306960), (40, 2191612), (76, 1153480), (80, 1095806), (95, 922784), (152, 576740), (160, 547903), (190, 461392), (304, 288370), (380, 230696), (608, 144185), (760, 115348), (1520, 57674), (3040, 28837)]