2098780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1039}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 4455360

約数和(自身を除く): 2356580

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1039, 2020, 2078, 4156, 5195, 10390, 20780, 104939, 209878, 419756, 524695, 1049390, 2098780]

約数ペア:

[(1, 2098780), (2, 1049390), (4, 524695), (5, 419756), (10, 209878), (20, 104939), (101, 20780), (202, 10390), (404, 5195), (505, 4156), (1010, 2078), (1039, 2020)]