205215040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:336

約数の個数: 112

約数和(自身を含む): 511478784

約数和(自身を除く): 306263744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 137, 151, 155, 160, 248, 274, 302, 310, 320, 496, 548, 604, 620, 685, 755, 992, 1096, 1208, 1240, 1370, 1510, 1984, 2192, 2416, 2480, 2740, 3020, 4247, 4384, 4681, 4832, 4960, 5480, 6040, 8494, 8768, 9362, 9664, 9920, 10960, 12080, 16988, 18724, 20687, 21235, 21920, 23405, 24160, 33976, 37448, 41374, 42470, 43840, 46810, 48320, 67952, 74896, 82748, 84940, 93620, 103435, 135904, 149792, 165496, 169880, 187240, 206870, 271808, 299584, 330992, 339760, 374480, 413740, 641297, 661984, 679520, 748960, 827480, 1282594, 1323968, 1359040, 1497920, 1654960, 2565188, 3206485, 3309920, 5130376, 6412970, 6619840, 10260752, 12825940, 20521504, 25651880, 41043008, 51303760, 102607520, 205215040]

約数ペア:

[(1, 205215040), (2, 102607520), (4, 51303760), (5, 41043008), (8, 25651880), (10, 20521504), (16, 12825940), (20, 10260752), (31, 6619840), (32, 6412970), (40, 5130376), (62, 3309920), (64, 3206485), (80, 2565188), (124, 1654960), (137, 1497920), (151, 1359040), (155, 1323968), (160, 1282594), (248, 827480), (274, 748960), (302, 679520), (310, 661984), (320, 641297), (496, 413740), (548, 374480), (604, 339760), (620, 330992), (685, 299584), (755, 271808), (992, 206870), (1096, 187240), (1208, 169880), (1240, 165496), (1370, 149792), (1510, 135904), (1984, 103435), (2192, 93620), (2416, 84940), (2480, 82748), (2740, 74896), (3020, 67952), (4247, 48320), (4384, 46810), (4681, 43840), (4832, 42470), (4960, 41374), (5480, 37448), (6040, 33976), (8494, 24160), (8768, 23405), (9362, 21920), (9664, 21235), (9920, 20687), (10960, 18724), (12080, 16988)]