12670040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3559}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 28836000

約数和(自身を除く): 16165960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3559, 3560, 7118, 14236, 17795, 28472, 35590, 71180, 142360, 316751, 633502, 1267004, 1583755, 2534008, 3167510, 6335020, 12670040]

約数ペア:

[(1, 12670040), (2, 6335020), (4, 3167510), (5, 2534008), (8, 1583755), (10, 1267004), (20, 633502), (40, 316751), (89, 142360), (178, 71180), (356, 35590), (445, 28472), (712, 17795), (890, 14236), (1780, 7118), (3559, 3560)]