40503664

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{12721}}^1$

素因数の和:12928

約数の個数: 20

約数和(自身を含む): 78876400

約数和(自身を除く): 38372736

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 12721, 25442, 50884, 101768, 203536, 2531479, 5062958, 10125916, 20251832, 40503664]

約数ペア:

[(1, 40503664), (2, 20251832), (4, 10125916), (8, 5062958), (16, 2531479), (199, 203536), (398, 101768), (796, 50884), (1592, 25442), (3184, 12721)]