78356480

素因数分解:

$2^{13}\times 5^1\times {\mathrm{1913}}^1$

素因数の和:1944

約数の個数: 56

約数和(自身を含む): 188142372

約数和(自身を除く): 109785892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1913, 2048, 2560, 3826, 4096, 5120, 7652, 8192, 9565, 10240, 15304, 19130, 20480, 30608, 38260, 40960, 61216, 76520, 122432, 153040, 244864, 306080, 489728, 612160, 979456, 1224320, 1958912, 2448640, 3917824, 4897280, 7835648, 9794560, 15671296, 19589120, 39178240, 78356480]

約数ペア:

[(1, 78356480), (2, 39178240), (4, 19589120), (5, 15671296), (8, 9794560), (10, 7835648), (16, 4897280), (20, 3917824), (32, 2448640), (40, 1958912), (64, 1224320), (80, 979456), (128, 612160), (160, 489728), (256, 306080), (320, 244864), (512, 153040), (640, 122432), (1024, 76520), (1280, 61216), (1913, 40960), (2048, 38260), (2560, 30608), (3826, 20480), (4096, 19130), (5120, 15304), (7652, 10240), (8192, 9565)]