4055120

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 9515016

約数和(自身を除く): 5459896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 293, 346, 586, 692, 865, 1172, 1384, 1465, 1730, 2344, 2768, 2930, 3460, 4688, 5860, 6920, 11720, 13840, 23440, 50689, 101378, 202756, 253445, 405512, 506890, 811024, 1013780, 2027560, 4055120]

約数ペア:

[(1, 4055120), (2, 2027560), (4, 1013780), (5, 811024), (8, 506890), (10, 405512), (16, 253445), (20, 202756), (40, 101378), (80, 50689), (173, 23440), (293, 13840), (346, 11720), (586, 6920), (692, 5860), (865, 4688), (1172, 3460), (1384, 2930), (1465, 2768), (1730, 2344)]