50451440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:514

約数の個数: 80

約数和(自身を含む): 127596000

約数和(自身を除く): 77144560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 349, 520, 556, 695, 698, 1040, 1112, 1390, 1396, 1745, 1807, 2224, 2780, 2792, 3490, 3614, 4537, 5560, 5584, 6980, 7228, 9035, 9074, 11120, 13960, 14456, 18070, 18148, 22685, 27920, 28912, 36140, 36296, 45370, 48511, 72280, 72592, 90740, 97022, 144560, 181480, 194044, 242555, 362960, 388088, 485110, 630643, 776176, 970220, 1261286, 1940440, 2522572, 3153215, 3880880, 5045144, 6306430, 10090288, 12612860, 25225720, 50451440]

約数ペア:

[(1, 50451440), (2, 25225720), (4, 12612860), (5, 10090288), (8, 6306430), (10, 5045144), (13, 3880880), (16, 3153215), (20, 2522572), (26, 1940440), (40, 1261286), (52, 970220), (65, 776176), (80, 630643), (104, 485110), (130, 388088), (139, 362960), (208, 242555), (260, 194044), (278, 181480), (349, 144560), (520, 97022), (556, 90740), (695, 72592), (698, 72280), (1040, 48511), (1112, 45370), (1390, 36296), (1396, 36140), (1745, 28912), (1807, 27920), (2224, 22685), (2780, 18148), (2792, 18070), (3490, 14456), (3614, 13960), (4537, 11120), (5560, 9074), (5584, 9035), (6980, 7228)]