88397720

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8599}}^1$

素因数の和:8867

約数の個数: 32

約数和(自身を含む): 199692000

約数和(自身を除く): 111294280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8599, 10280, 17198, 34396, 42995, 68792, 85990, 171980, 343960, 2209943, 4419886, 8839772, 11049715, 17679544, 22099430, 44198860, 88397720]

約数ペア:

[(1, 88397720), (2, 44198860), (4, 22099430), (5, 17679544), (8, 11049715), (10, 8839772), (20, 4419886), (40, 2209943), (257, 343960), (514, 171980), (1028, 85990), (1285, 68792), (2056, 42995), (2570, 34396), (5140, 17198), (8599, 10280)]