8991920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{16057}}^1$

素因数の和:16077

約数の個数: 40

約数和(自身を含む): 23894304

約数和(自身を除く): 14902384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 16057, 32114, 64228, 80285, 112399, 128456, 160570, 224798, 256912, 321140, 449596, 561995, 642280, 899192, 1123990, 1284560, 1798384, 2247980, 4495960, 8991920]

約数ペア:

[(1, 8991920), (2, 4495960), (4, 2247980), (5, 1798384), (7, 1284560), (8, 1123990), (10, 899192), (14, 642280), (16, 561995), (20, 449596), (28, 321140), (35, 256912), (40, 224798), (56, 160570), (70, 128456), (80, 112399), (112, 80285), (140, 64228), (280, 32114), (560, 16057)]