17896960

素因数分解:

$2^9\times 5^1\times {\mathrm{6991}}^1$

素因数の和:7014

約数の個数: 40

約数和(自身を含む): 42916896

約数和(自身を除く): 25019936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 6991, 13982, 27964, 34955, 55928, 69910, 111856, 139820, 223712, 279640, 447424, 559280, 894848, 1118560, 1789696, 2237120, 3579392, 4474240, 8948480, 17896960]

約数ペア:

[(1, 17896960), (2, 8948480), (4, 4474240), (5, 3579392), (8, 2237120), (10, 1789696), (16, 1118560), (20, 894848), (32, 559280), (40, 447424), (64, 279640), (80, 223712), (128, 139820), (160, 111856), (256, 69910), (320, 55928), (512, 34955), (640, 27964), (1280, 13982), (2560, 6991)]