50380720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 127304352

約数和(自身を除く): 76923632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 193, 208, 251, 260, 386, 502, 520, 772, 965, 1004, 1040, 1255, 1544, 1930, 2008, 2509, 2510, 3088, 3263, 3860, 4016, 5018, 5020, 6526, 7720, 10036, 10040, 12545, 13052, 15440, 16315, 20072, 20080, 25090, 26104, 32630, 40144, 48443, 50180, 52208, 65260, 96886, 100360, 130520, 193772, 200720, 242215, 261040, 387544, 484430, 629759, 775088, 968860, 1259518, 1937720, 2519036, 3148795, 3875440, 5038072, 6297590, 10076144, 12595180, 25190360, 50380720]

約数ペア:

[(1, 50380720), (2, 25190360), (4, 12595180), (5, 10076144), (8, 6297590), (10, 5038072), (13, 3875440), (16, 3148795), (20, 2519036), (26, 1937720), (40, 1259518), (52, 968860), (65, 775088), (80, 629759), (104, 484430), (130, 387544), (193, 261040), (208, 242215), (251, 200720), (260, 193772), (386, 130520), (502, 100360), (520, 96886), (772, 65260), (965, 52208), (1004, 50180), (1040, 48443), (1255, 40144), (1544, 32630), (1930, 26104), (2008, 25090), (2509, 20080), (2510, 20072), (3088, 16315), (3263, 15440), (3860, 13052), (4016, 12545), (5018, 10040), (5020, 10036), (6526, 7720)]