826639120

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{116101}}^1$

素因数の和:116203

約数の個数: 40

約数和(自身を含む): 1943547480

約数和(自身を除く): 1116908360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 116101, 232202, 464404, 580505, 928808, 1161010, 1857616, 2322020, 4644040, 9288080, 10332989, 20665978, 41331956, 51664945, 82663912, 103329890, 165327824, 206659780, 413319560, 826639120]

約数ペア:

[(1, 826639120), (2, 413319560), (4, 206659780), (5, 165327824), (8, 103329890), (10, 82663912), (16, 51664945), (20, 41331956), (40, 20665978), (80, 10332989), (89, 9288080), (178, 4644040), (356, 2322020), (445, 1857616), (712, 1161010), (890, 928808), (1424, 580505), (1780, 464404), (3560, 232202), (7120, 116101)]