85187440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:938

約数の個数: 80

約数和(自身を含む): 215673696

約数和(自身を除く): 130486256

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 811, 1010, 1040, 1313, 1616, 1622, 2020, 2626, 3244, 4040, 4055, 5252, 6488, 6565, 8080, 8110, 10504, 10543, 12976, 13130, 16220, 21008, 21086, 26260, 32440, 42172, 52520, 52715, 64880, 81911, 84344, 105040, 105430, 163822, 168688, 210860, 327644, 409555, 421720, 655288, 819110, 843440, 1064843, 1310576, 1638220, 2129686, 3276440, 4259372, 5324215, 6552880, 8518744, 10648430, 17037488, 21296860, 42593720, 85187440]

約数ペア:

[(1, 85187440), (2, 42593720), (4, 21296860), (5, 17037488), (8, 10648430), (10, 8518744), (13, 6552880), (16, 5324215), (20, 4259372), (26, 3276440), (40, 2129686), (52, 1638220), (65, 1310576), (80, 1064843), (101, 843440), (104, 819110), (130, 655288), (202, 421720), (208, 409555), (260, 327644), (404, 210860), (505, 168688), (520, 163822), (808, 105430), (811, 105040), (1010, 84344), (1040, 81911), (1313, 64880), (1616, 52715), (1622, 52520), (2020, 42172), (2626, 32440), (3244, 26260), (4040, 21086), (4055, 21008), (5252, 16220), (6488, 13130), (6565, 12976), (8080, 10543), (8110, 10504)]