13295440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8747}}^1$

素因数の和:8779

約数の個数: 40

約数和(自身を含む): 32542560

約数和(自身を除く): 19247120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 8747, 17494, 34988, 43735, 69976, 87470, 139952, 166193, 174940, 332386, 349880, 664772, 699760, 830965, 1329544, 1661930, 2659088, 3323860, 6647720, 13295440]

約数ペア:

[(1, 13295440), (2, 6647720), (4, 3323860), (5, 2659088), (8, 1661930), (10, 1329544), (16, 830965), (19, 699760), (20, 664772), (38, 349880), (40, 332386), (76, 174940), (80, 166193), (95, 139952), (152, 87470), (190, 69976), (304, 43735), (380, 34988), (760, 17494), (1520, 8747)]