16187780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2689}}^1$

素因数の和:2748

約数の個数: 48

約数和(自身を含む): 39768960

約数和(自身を除く): 23581180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 2689, 3010, 5378, 6020, 10756, 13445, 18823, 26890, 37646, 53780, 75292, 94115, 115627, 188230, 231254, 376460, 462508, 578135, 809389, 1156270, 1618778, 2312540, 3237556, 4046945, 8093890, 16187780]

約数ペア:

[(1, 16187780), (2, 8093890), (4, 4046945), (5, 3237556), (7, 2312540), (10, 1618778), (14, 1156270), (20, 809389), (28, 578135), (35, 462508), (43, 376460), (70, 231254), (86, 188230), (140, 115627), (172, 94115), (215, 75292), (301, 53780), (430, 37646), (602, 26890), (860, 18823), (1204, 13445), (1505, 10756), (2689, 6020), (3010, 5378)]