51663640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{613}}^1$

素因数の和:681

約数の個数: 96

約数和(自身を含む): 138592080

約数和(自身を除く): 86928440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 602, 613, 860, 980, 1204, 1226, 1505, 1720, 1960, 2107, 2408, 2452, 3010, 3065, 4214, 4291, 4904, 6020, 6130, 8428, 8582, 10535, 12040, 12260, 16856, 17164, 21070, 21455, 24520, 26359, 30037, 34328, 42140, 42910, 52718, 60074, 84280, 85820, 105436, 120148, 131795, 150185, 171640, 184513, 210872, 240296, 263590, 300370, 369026, 527180, 600740, 738052, 922565, 1054360, 1201480, 1291591, 1476104, 1845130, 2583182, 3690260, 5166364, 6457955, 7380520, 10332728, 12915910, 25831820, 51663640]

約数ペア:

[(1, 51663640), (2, 25831820), (4, 12915910), (5, 10332728), (7, 7380520), (8, 6457955), (10, 5166364), (14, 3690260), (20, 2583182), (28, 1845130), (35, 1476104), (40, 1291591), (43, 1201480), (49, 1054360), (56, 922565), (70, 738052), (86, 600740), (98, 527180), (140, 369026), (172, 300370), (196, 263590), (215, 240296), (245, 210872), (280, 184513), (301, 171640), (344, 150185), (392, 131795), (430, 120148), (490, 105436), (602, 85820), (613, 84280), (860, 60074), (980, 52718), (1204, 42910), (1226, 42140), (1505, 34328), (1720, 30037), (1960, 26359), (2107, 24520), (2408, 21455), (2452, 21070), (3010, 17164), (3065, 16856), (4214, 12260), (4291, 12040), (4904, 10535), (6020, 8582), (6130, 8428)]