25986660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{8839}}^1$

素因数の和:8865

約数の個数: 72

約数和(自身を含む): 84651840

約数和(自身を除く): 58665180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 8839, 17678, 26517, 35356, 44195, 53034, 61873, 88390, 106068, 123746, 132585, 176780, 185619, 247492, 265170, 309365, 371238, 433111, 530340, 618730, 742476, 866222, 928095, 1237460, 1299333, 1732444, 1856190, 2165555, 2598666, 3712380, 4331110, 5197332, 6496665, 8662220, 12993330, 25986660]

約数ペア:

[(1, 25986660), (2, 12993330), (3, 8662220), (4, 6496665), (5, 5197332), (6, 4331110), (7, 3712380), (10, 2598666), (12, 2165555), (14, 1856190), (15, 1732444), (20, 1299333), (21, 1237460), (28, 928095), (30, 866222), (35, 742476), (42, 618730), (49, 530340), (60, 433111), (70, 371238), (84, 309365), (98, 265170), (105, 247492), (140, 185619), (147, 176780), (196, 132585), (210, 123746), (245, 106068), (294, 88390), (420, 61873), (490, 53034), (588, 44195), (735, 35356), (980, 26517), (1470, 17678), (2940, 8839)]