69545720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16249}}^1$

素因数の和:16367

約数の個数: 32

約数和(自身を含む): 157950000

約数和(自身を除く): 88404280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 16249, 32498, 64996, 81245, 129992, 162490, 324980, 649960, 1738643, 3477286, 6954572, 8693215, 13909144, 17386430, 34772860, 69545720]

約数ペア:

[(1, 69545720), (2, 34772860), (4, 17386430), (5, 13909144), (8, 8693215), (10, 6954572), (20, 3477286), (40, 1738643), (107, 649960), (214, 324980), (428, 162490), (535, 129992), (856, 81245), (1070, 64996), (2140, 32498), (4280, 16249)]