19789840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35339}}^1$

素因数の和:35359

約数の個数: 40

約数和(自身を含む): 52585920

約数和(自身を除く): 32796080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35339, 70678, 141356, 176695, 247373, 282712, 353390, 494746, 565424, 706780, 989492, 1236865, 1413560, 1978984, 2473730, 2827120, 3957968, 4947460, 9894920, 19789840]

約数ペア:

[(1, 19789840), (2, 9894920), (4, 4947460), (5, 3957968), (7, 2827120), (8, 2473730), (10, 1978984), (14, 1413560), (16, 1236865), (20, 989492), (28, 706780), (35, 565424), (40, 494746), (56, 353390), (70, 282712), (80, 247373), (112, 176695), (140, 141356), (280, 70678), (560, 35339)]