31276460

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14347}}^1$

素因数の和:14465

約数の個数: 24

約数和(自身を含む): 66287760

約数和(自身を除く): 35011300

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14347, 28694, 57388, 71735, 143470, 286940, 1563823, 3127646, 6255292, 7819115, 15638230, 31276460]

約数ペア:

[(1, 31276460), (2, 15638230), (4, 7819115), (5, 6255292), (10, 3127646), (20, 1563823), (109, 286940), (218, 143470), (436, 71735), (545, 57388), (1090, 28694), (2180, 14347)]