25780290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2143}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 62055936

約数和(自身を除く): 36275646

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 2005, 2143, 2406, 4010, 4286, 6015, 6429, 10715, 12030, 12858, 21430, 32145, 64290, 859343, 1718686, 2578029, 4296715, 5156058, 8593430, 12890145, 25780290]

約数ペア:

[(1, 25780290), (2, 12890145), (3, 8593430), (5, 5156058), (6, 4296715), (10, 2578029), (15, 1718686), (30, 859343), (401, 64290), (802, 32145), (1203, 21430), (2005, 12858), (2143, 12030), (2406, 10715), (4010, 6429), (4286, 6015)]