7945960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18059}}^1$

素因数の和:18081

約数の個数: 32

約数和(自身を含む): 19504800

約数和(自身を除く): 11558840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18059, 36118, 72236, 90295, 144472, 180590, 198649, 361180, 397298, 722360, 794596, 993245, 1589192, 1986490, 3972980, 7945960]

約数ペア:

[(1, 7945960), (2, 3972980), (4, 1986490), (5, 1589192), (8, 993245), (10, 794596), (11, 722360), (20, 397298), (22, 361180), (40, 198649), (44, 180590), (55, 144472), (88, 90295), (110, 72236), (220, 36118), (440, 18059)]