25269020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{907}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 61017600

約数和(自身を除く): 35748580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 907, 995, 1393, 1814, 1990, 2786, 3628, 3980, 4535, 5572, 6349, 6965, 9070, 12698, 13930, 18140, 25396, 27860, 31745, 63490, 126980, 180493, 360986, 721972, 902465, 1263451, 1804930, 2526902, 3609860, 5053804, 6317255, 12634510, 25269020]

約数ペア:

[(1, 25269020), (2, 12634510), (4, 6317255), (5, 5053804), (7, 3609860), (10, 2526902), (14, 1804930), (20, 1263451), (28, 902465), (35, 721972), (70, 360986), (140, 180493), (199, 126980), (398, 63490), (796, 31745), (907, 27860), (995, 25396), (1393, 18140), (1814, 13930), (1990, 12698), (2786, 9070), (3628, 6965), (3980, 6349), (4535, 5572)]