15694841480

素因数分解:

$2^3\times 5^1\times {\mathrm{5641}}^1\times {\mathrm{69557}}^1$

素因数の和:75209

約数の個数: 32

約数和(自身を含む): 35320161240

約数和(自身を除く): 19625319760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5641, 11282, 22564, 28205, 45128, 56410, 69557, 112820, 139114, 225640, 278228, 347785, 556456, 695570, 1391140, 2782280, 392371037, 784742074, 1569484148, 1961855185, 3138968296, 3923710370, 7847420740, 15694841480]

約数ペア:

[(1, 15694841480), (2, 7847420740), (4, 3923710370), (5, 3138968296), (8, 1961855185), (10, 1569484148), (20, 784742074), (40, 392371037), (5641, 2782280), (11282, 1391140), (22564, 695570), (28205, 556456), (45128, 347785), (56410, 278228), (69557, 225640), (112820, 139114)]