68885840

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4327}}^1$

素因数の和:4539

約数の個数: 40

約数和(自身を含む): 161001600

約数和(自身を除く): 92115760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4327, 7960, 8654, 15920, 17308, 21635, 34616, 43270, 69232, 86540, 173080, 346160, 861073, 1722146, 3444292, 4305365, 6888584, 8610730, 13777168, 17221460, 34442920, 68885840]

約数ペア:

[(1, 68885840), (2, 34442920), (4, 17221460), (5, 13777168), (8, 8610730), (10, 6888584), (16, 4305365), (20, 3444292), (40, 1722146), (80, 861073), (199, 346160), (398, 173080), (796, 86540), (995, 69232), (1592, 43270), (1990, 34616), (3184, 21635), (3980, 17308), (4327, 15920), (7960, 8654)]