40965520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26951}}^1$

素因数の和:26983

約数の個数: 40

約数和(自身を含む): 100261440

約数和(自身を除く): 59295920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26951, 53902, 107804, 134755, 215608, 269510, 431216, 512069, 539020, 1024138, 1078040, 2048276, 2156080, 2560345, 4096552, 5120690, 8193104, 10241380, 20482760, 40965520]

約数ペア:

[(1, 40965520), (2, 20482760), (4, 10241380), (5, 8193104), (8, 5120690), (10, 4096552), (16, 2560345), (19, 2156080), (20, 2048276), (38, 1078040), (40, 1024138), (76, 539020), (80, 512069), (95, 431216), (152, 269510), (190, 215608), (304, 134755), (380, 107804), (760, 53902), (1520, 26951)]