8456720

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 20200344

約数和(自身を除く): 11743624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2857, 2960, 5714, 11428, 14285, 22856, 28570, 45712, 57140, 105709, 114280, 211418, 228560, 422836, 528545, 845672, 1057090, 1691344, 2114180, 4228360, 8456720]

約数ペア:

[(1, 8456720), (2, 4228360), (4, 2114180), (5, 1691344), (8, 1057090), (10, 845672), (16, 528545), (20, 422836), (37, 228560), (40, 211418), (74, 114280), (80, 105709), (148, 57140), (185, 45712), (296, 28570), (370, 22856), (592, 14285), (740, 11428), (1480, 5714), (2857, 2960)]