2778080

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 6667920

約数和(自身を除く): 3889840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 179, 194, 358, 388, 485, 716, 776, 895, 970, 1432, 1552, 1790, 1940, 2864, 3104, 3580, 3880, 5728, 7160, 7760, 14320, 15520, 17363, 28640, 34726, 69452, 86815, 138904, 173630, 277808, 347260, 555616, 694520, 1389040, 2778080]

約数ペア:

[(1, 2778080), (2, 1389040), (4, 694520), (5, 555616), (8, 347260), (10, 277808), (16, 173630), (20, 138904), (32, 86815), (40, 69452), (80, 34726), (97, 28640), (160, 17363), (179, 15520), (194, 14320), (358, 7760), (388, 7160), (485, 5728), (716, 3880), (776, 3580), (895, 3104), (970, 2864), (1432, 1940), (1552, 1790)]