16400840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17827}}^1$

素因数の和:17861

約数の個数: 32

約数和(自身を含む): 38508480

約数和(自身を除く): 22107640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 17827, 35654, 71308, 89135, 142616, 178270, 356540, 410021, 713080, 820042, 1640084, 2050105, 3280168, 4100210, 8200420, 16400840]

約数ペア:

[(1, 16400840), (2, 8200420), (4, 4100210), (5, 3280168), (8, 2050105), (10, 1640084), (20, 820042), (23, 713080), (40, 410021), (46, 356540), (92, 178270), (115, 142616), (184, 89135), (230, 71308), (460, 35654), (920, 17827)]