61471780

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19577}}^1$

素因数の和:19743

約数の個数: 24

約数和(自身を含む): 129919608

約数和(自身を除く): 68447828

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 19577, 39154, 78308, 97885, 195770, 391540, 3073589, 6147178, 12294356, 15367945, 30735890, 61471780]

約数ペア:

[(1, 61471780), (2, 30735890), (4, 15367945), (5, 12294356), (10, 6147178), (20, 3073589), (157, 391540), (314, 195770), (628, 97885), (785, 78308), (1570, 39154), (3140, 19577)]