47790980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{17191}}^1$

素因数の和:17339

約数の個数: 24

約数和(自身を含む): 101088960

約数和(自身を除く): 53297980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 17191, 34382, 68764, 85955, 171910, 343820, 2389549, 4779098, 9558196, 11947745, 23895490, 47790980]

約数ペア:

[(1, 47790980), (2, 23895490), (4, 11947745), (5, 9558196), (10, 4779098), (20, 2389549), (139, 343820), (278, 171910), (556, 85955), (695, 68764), (1390, 34382), (2780, 17191)]