87671480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{168599}}^1$

素因数の和:168623

約数の個数: 32

約数和(自身を含む): 212436000

約数和(自身を除く): 124764520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 168599, 337198, 674396, 842995, 1348792, 1685990, 2191787, 3371980, 4383574, 6743960, 8767148, 10958935, 17534296, 21917870, 43835740, 87671480]

約数ペア:

[(1, 87671480), (2, 43835740), (4, 21917870), (5, 17534296), (8, 10958935), (10, 8767148), (13, 6743960), (20, 4383574), (26, 3371980), (40, 2191787), (52, 1685990), (65, 1348792), (104, 842995), (130, 674396), (260, 337198), (520, 168599)]