101021680

素因数分解:

$2^4\times 5^1\times {\mathrm{1262771}}^1$

素因数の和:1262784

約数の個数: 20

約数和(自身を含む): 234875592

約数和(自身を除く): 133853912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1262771, 2525542, 5051084, 6313855, 10102168, 12627710, 20204336, 25255420, 50510840, 101021680]

約数ペア:

[(1, 101021680), (2, 50510840), (4, 25255420), (5, 20204336), (8, 12627710), (10, 10102168), (16, 6313855), (20, 5051084), (40, 2525542), (80, 1262771)]