9856680640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{993617}}^1$

素因数の和:993665

約数の個数: 56

約数和(自身を含む): 24228381312

約数和(自身を除く): 14371700672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 993617, 1987234, 3974468, 4968085, 7948936, 9936170, 15897872, 19872340, 30802127, 31795744, 39744680, 61604254, 63591488, 79489360, 123208508, 154010635, 158978720, 246417016, 308021270, 317957440, 492834032, 616042540, 985668064, 1232085080, 1971336128, 2464170160, 4928340320, 9856680640]

約数ペア:

[(1, 9856680640), (2, 4928340320), (4, 2464170160), (5, 1971336128), (8, 1232085080), (10, 985668064), (16, 616042540), (20, 492834032), (31, 317957440), (32, 308021270), (40, 246417016), (62, 158978720), (64, 154010635), (80, 123208508), (124, 79489360), (155, 63591488), (160, 61604254), (248, 39744680), (310, 31795744), (320, 30802127), (496, 19872340), (620, 15897872), (992, 9936170), (1240, 7948936), (1984, 4968085), (2480, 3974468), (4960, 1987234), (9920, 993617)]