7120580

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{811}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 15005760

約数和(自身を除く): 7885180

約数列:

[1, 2, 4, 5, 10, 20, 439, 811, 878, 1622, 1756, 2195, 3244, 4055, 4390, 8110, 8780, 16220, 356029, 712058, 1424116, 1780145, 3560290, 7120580]

約数ペア:

[(1, 7120580), (2, 3560290), (4, 1780145), (5, 1424116), (10, 712058), (20, 356029), (439, 16220), (811, 8780), (878, 8110), (1622, 4390), (1756, 4055), (2195, 3244)]