63780820

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{6121}}^1$

素因数の和:6651

約数の個数: 24

約数和(自身を含む): 134218728

約数和(自身を除く): 70437908

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 6121, 10420, 12242, 24484, 30605, 61210, 122420, 3189041, 6378082, 12756164, 15945205, 31890410, 63780820]

約数ペア:

[(1, 63780820), (2, 31890410), (4, 15945205), (5, 12756164), (10, 6378082), (20, 3189041), (521, 122420), (1042, 61210), (2084, 30605), (2605, 24484), (5210, 12242), (6121, 10420)]