42777040

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2687}}^1$

素因数の和:2899

約数の個数: 40

約数和(自身を含む): 99993600

約数和(自身を除く): 57216560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 2687, 3184, 3980, 5374, 7960, 10748, 13435, 15920, 21496, 26870, 42992, 53740, 107480, 214960, 534713, 1069426, 2138852, 2673565, 4277704, 5347130, 8555408, 10694260, 21388520, 42777040]

約数ペア:

[(1, 42777040), (2, 21388520), (4, 10694260), (5, 8555408), (8, 5347130), (10, 4277704), (16, 2673565), (20, 2138852), (40, 1069426), (80, 534713), (199, 214960), (398, 107480), (796, 53740), (995, 42992), (1592, 26870), (1990, 21496), (2687, 15920), (3184, 13435), (3980, 10748), (5374, 7960)]