86851760

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2473}}^1$

素因数の和:2925

約数の個数: 40

約数和(自身を含む): 202472160

約数和(自身を除く): 115620400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 2473, 3512, 4390, 4946, 7024, 8780, 9892, 12365, 17560, 19784, 24730, 35120, 39568, 49460, 98920, 197840, 1085647, 2171294, 4342588, 5428235, 8685176, 10856470, 17370352, 21712940, 43425880, 86851760]

約数ペア:

[(1, 86851760), (2, 43425880), (4, 21712940), (5, 17370352), (8, 10856470), (10, 8685176), (16, 5428235), (20, 4342588), (40, 2171294), (80, 1085647), (439, 197840), (878, 98920), (1756, 49460), (2195, 39568), (2473, 35120), (3512, 24730), (4390, 19784), (4946, 17560), (7024, 12365), (8780, 9892)]