77040400

素因数分解:

$2^4\times 5^2\times {\mathrm{192601}}^1$

素因数の和:192619

約数の個数: 30

約数和(自身を含む): 185090522

約数和(自身を除く): 108050122

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 192601, 385202, 770404, 963005, 1540808, 1926010, 3081616, 3852020, 4815025, 7704040, 9630050, 15408080, 19260100, 38520200, 77040400]

約数ペア:

[(1, 77040400), (2, 38520200), (4, 19260100), (5, 15408080), (8, 9630050), (10, 7704040), (16, 4815025), (20, 3852020), (25, 3081616), (40, 1926010), (50, 1540808), (80, 963005), (100, 770404), (200, 385202), (400, 192601)]