4060720

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 9526176

約数和(自身を除く): 5465456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 263, 386, 526, 772, 965, 1052, 1315, 1544, 1930, 2104, 2630, 3088, 3860, 4208, 5260, 7720, 10520, 15440, 21040, 50759, 101518, 203036, 253795, 406072, 507590, 812144, 1015180, 2030360, 4060720]

約数ペア:

[(1, 4060720), (2, 2030360), (4, 1015180), (5, 812144), (8, 507590), (10, 406072), (16, 253795), (20, 203036), (40, 101518), (80, 50759), (193, 21040), (263, 15440), (386, 10520), (526, 7720), (772, 5260), (965, 4208), (1052, 3860), (1315, 3088), (1544, 2630), (1930, 2104)]