78430640

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5477}}^1$

素因数の和:5669

約数の個数: 40

約数和(自身を含む): 183403440

約数和(自身を除く): 104972800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 5477, 7160, 10954, 14320, 21908, 27385, 43816, 54770, 87632, 109540, 219080, 438160, 980383, 1960766, 3921532, 4901915, 7843064, 9803830, 15686128, 19607660, 39215320, 78430640]

約数ペア:

[(1, 78430640), (2, 39215320), (4, 19607660), (5, 15686128), (8, 9803830), (10, 7843064), (16, 4901915), (20, 3921532), (40, 1960766), (80, 980383), (179, 438160), (358, 219080), (716, 109540), (895, 87632), (1432, 54770), (1790, 43816), (2864, 27385), (3580, 21908), (5477, 14320), (7160, 10954)]