12930800

素因数分解:

$2^4\times 5^2\times {\mathrm{32327}}^1$

素因数の和:32345

約数の個数: 30

約数和(自身を含む): 31067208

約数和(自身を除く): 18136408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32327, 64654, 129308, 161635, 258616, 323270, 517232, 646540, 808175, 1293080, 1616350, 2586160, 3232700, 6465400, 12930800]

約数ペア:

[(1, 12930800), (2, 6465400), (4, 3232700), (5, 2586160), (8, 1616350), (10, 1293080), (16, 808175), (20, 646540), (25, 517232), (40, 323270), (50, 258616), (80, 161635), (100, 129308), (200, 64654), (400, 32327)]