27405680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5113}}^1$

素因数の和:5193

約数の個数: 40

約数和(自身を含む): 64681872

約数和(自身を除く): 37276192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5113, 5360, 10226, 20452, 25565, 40904, 51130, 81808, 102260, 204520, 342571, 409040, 685142, 1370284, 1712855, 2740568, 3425710, 5481136, 6851420, 13702840, 27405680]

約数ペア:

[(1, 27405680), (2, 13702840), (4, 6851420), (5, 5481136), (8, 3425710), (10, 2740568), (16, 1712855), (20, 1370284), (40, 685142), (67, 409040), (80, 342571), (134, 204520), (268, 102260), (335, 81808), (536, 51130), (670, 40904), (1072, 25565), (1340, 20452), (2680, 10226), (5113, 5360)]