788207960

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{18749}}^1$

素因数の和:19811

約数の個数: 32

約数和(自身を含む): 1775250000

約数和(自身を除く): 987042040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 4204, 5255, 8408, 10510, 18749, 21020, 37498, 42040, 74996, 93745, 149992, 187490, 374980, 749960, 19705199, 39410398, 78820796, 98525995, 157641592, 197051990, 394103980, 788207960]

約数ペア:

[(1, 788207960), (2, 394103980), (4, 197051990), (5, 157641592), (8, 98525995), (10, 78820796), (20, 39410398), (40, 19705199), (1051, 749960), (2102, 374980), (4204, 187490), (5255, 149992), (8408, 93745), (10510, 74996), (18749, 42040), (21020, 37498)]