2645180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6961}}^1$

素因数の和:6989

約数の個数: 24

約数和(自身を含む): 5848080

約数和(自身を除く): 3202900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 6961, 13922, 27844, 34805, 69610, 132259, 139220, 264518, 529036, 661295, 1322590, 2645180]

約数ペア:

[(1, 2645180), (2, 1322590), (4, 661295), (5, 529036), (10, 264518), (19, 139220), (20, 132259), (38, 69610), (76, 34805), (95, 27844), (190, 13922), (380, 6961)]