9757960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2841

約数の個数: 32

約数和(自身を含む): 22210200

約数和(自身を除く): 12452240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2741, 3560, 5482, 10964, 13705, 21928, 27410, 54820, 109640, 243949, 487898, 975796, 1219745, 1951592, 2439490, 4878980, 9757960]

約数ペア:

[(1, 9757960), (2, 4878980), (4, 2439490), (5, 1951592), (8, 1219745), (10, 975796), (20, 487898), (40, 243949), (89, 109640), (178, 54820), (356, 27410), (445, 21928), (712, 13705), (890, 10964), (1780, 5482), (2741, 3560)]