40138640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26407}}^1$

素因数の和:26439

約数の個数: 40

約数和(自身を含む): 98237760

約数和(自身を除く): 58099120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26407, 52814, 105628, 132035, 211256, 264070, 422512, 501733, 528140, 1003466, 1056280, 2006932, 2112560, 2508665, 4013864, 5017330, 8027728, 10034660, 20069320, 40138640]

約数ペア:

[(1, 40138640), (2, 20069320), (4, 10034660), (5, 8027728), (8, 5017330), (10, 4013864), (16, 2508665), (19, 2112560), (20, 2006932), (38, 1056280), (40, 1003466), (76, 528140), (80, 501733), (95, 422512), (152, 264070), (190, 211256), (304, 132035), (380, 105628), (760, 52814), (1520, 26407)]