18388160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8209}}^1$

素因数の和:8233

約数の個数: 56

約数和(自身を含む): 50048160

約数和(自身を除く): 31660000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8209, 16418, 32836, 41045, 57463, 65672, 82090, 114926, 131344, 164180, 229852, 262688, 287315, 328360, 459704, 525376, 574630, 656720, 919408, 1149260, 1313440, 1838816, 2298520, 2626880, 3677632, 4597040, 9194080, 18388160]

約数ペア:

[(1, 18388160), (2, 9194080), (4, 4597040), (5, 3677632), (7, 2626880), (8, 2298520), (10, 1838816), (14, 1313440), (16, 1149260), (20, 919408), (28, 656720), (32, 574630), (35, 525376), (40, 459704), (56, 328360), (64, 287315), (70, 262688), (80, 229852), (112, 164180), (140, 131344), (160, 114926), (224, 82090), (280, 65672), (320, 57463), (448, 41045), (560, 32836), (1120, 16418), (2240, 8209)]