87006680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127951}}^1$

素因数の和:127979

約数の個数: 32

約数和(自身を含む): 207282240

約数和(自身を除く): 120275560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 127951, 255902, 511804, 639755, 1023608, 1279510, 2175167, 2559020, 4350334, 5118040, 8700668, 10875835, 17401336, 21751670, 43503340, 87006680]

約数ペア:

[(1, 87006680), (2, 43503340), (4, 21751670), (5, 17401336), (8, 10875835), (10, 8700668), (17, 5118040), (20, 4350334), (34, 2559020), (40, 2175167), (68, 1279510), (85, 1023608), (136, 639755), (170, 511804), (340, 255902), (680, 127951)]