254388520

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{11177}}^1$

素因数の和:11757

約数の個数: 32

約数和(自身を含む): 573431400

約数和(自身を除く): 319042880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 4552, 5690, 11177, 11380, 22354, 22760, 44708, 55885, 89416, 111770, 223540, 447080, 6359713, 12719426, 25438852, 31798565, 50877704, 63597130, 127194260, 254388520]

約数ペア:

[(1, 254388520), (2, 127194260), (4, 63597130), (5, 50877704), (8, 31798565), (10, 25438852), (20, 12719426), (40, 6359713), (569, 447080), (1138, 223540), (2276, 111770), (2845, 89416), (4552, 55885), (5690, 44708), (11177, 22760), (11380, 22354)]