51903280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 120

約数和(自身を含む): 142959600

約数和(自身を除く): 91056320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 286, 338, 349, 440, 520, 572, 676, 698, 715, 845, 880, 1040, 1144, 1352, 1396, 1430, 1690, 1745, 1859, 2288, 2704, 2792, 2860, 3380, 3490, 3718, 3839, 4537, 5584, 5720, 6760, 6980, 7436, 7678, 9074, 9295, 11440, 13520, 13960, 14872, 15356, 18148, 18590, 19195, 22685, 27920, 29744, 30712, 36296, 37180, 38390, 45370, 49907, 58981, 61424, 72592, 74360, 76780, 90740, 99814, 117962, 148720, 153560, 181480, 199628, 235924, 249535, 294905, 307120, 362960, 399256, 471848, 499070, 589810, 648791, 798512, 943696, 998140, 1179620, 1297582, 1996280, 2359240, 2595164, 3243955, 3992560, 4718480, 5190328, 6487910, 10380656, 12975820, 25951640, 51903280]

約数ペア:

[(1, 51903280), (2, 25951640), (4, 12975820), (5, 10380656), (8, 6487910), (10, 5190328), (11, 4718480), (13, 3992560), (16, 3243955), (20, 2595164), (22, 2359240), (26, 1996280), (40, 1297582), (44, 1179620), (52, 998140), (55, 943696), (65, 798512), (80, 648791), (88, 589810), (104, 499070), (110, 471848), (130, 399256), (143, 362960), (169, 307120), (176, 294905), (208, 249535), (220, 235924), (260, 199628), (286, 181480), (338, 153560), (349, 148720), (440, 117962), (520, 99814), (572, 90740), (676, 76780), (698, 74360), (715, 72592), (845, 61424), (880, 58981), (1040, 49907), (1144, 45370), (1352, 38390), (1396, 37180), (1430, 36296), (1690, 30712), (1745, 29744), (1859, 27920), (2288, 22685), (2704, 19195), (2792, 18590), (2860, 18148), (3380, 15356), (3490, 14872), (3718, 13960), (3839, 13520), (4537, 11440), (5584, 9295), (5720, 9074), (6760, 7678), (6980, 7436)]