25107580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 54938016

約数和(自身を除く): 29830436

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 457, 670, 820, 914, 1340, 1828, 2285, 2747, 4570, 5494, 9140, 10988, 13735, 18737, 27470, 30619, 37474, 54940, 61238, 74948, 93685, 122476, 153095, 187370, 306190, 374740, 612380, 1255379, 2510758, 5021516, 6276895, 12553790, 25107580]

約数ペア:

[(1, 25107580), (2, 12553790), (4, 6276895), (5, 5021516), (10, 2510758), (20, 1255379), (41, 612380), (67, 374740), (82, 306190), (134, 187370), (164, 153095), (205, 122476), (268, 93685), (335, 74948), (410, 61238), (457, 54940), (670, 37474), (820, 30619), (914, 27470), (1340, 18737), (1828, 13735), (2285, 10988), (2747, 9140), (4570, 5494)]