157496620

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{25321}}^1$

素因数の和:25641

約数の個数: 24

約数和(自身を含む): 331819488

約数和(自身を除く): 174322868

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 25321, 50642, 101284, 126605, 253210, 506420, 7874831, 15749662, 31499324, 39374155, 78748310, 157496620]

約数ペア:

[(1, 157496620), (2, 78748310), (4, 39374155), (5, 31499324), (10, 15749662), (20, 7874831), (311, 506420), (622, 253210), (1244, 126605), (1555, 101284), (3110, 50642), (6220, 25321)]