26888780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1399}}^1$

素因数の和:1470

約数の個数: 36

約数和(自身を含む): 58388400

約数和(自身を除く): 31499620

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1399, 1922, 2798, 3844, 4805, 5596, 6995, 9610, 13990, 19220, 27980, 43369, 86738, 173476, 216845, 433690, 867380, 1344439, 2688878, 5377756, 6722195, 13444390, 26888780]

約数ペア:

[(1, 26888780), (2, 13444390), (4, 6722195), (5, 5377756), (10, 2688878), (20, 1344439), (31, 867380), (62, 433690), (124, 216845), (155, 173476), (310, 86738), (620, 43369), (961, 27980), (1399, 19220), (1922, 13990), (2798, 9610), (3844, 6995), (4805, 5596)]