25427080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12973}}^1$

素因数の和:12998

約数の個数: 48

約数和(自身を含む): 66556620

約数和(自身を除く): 41129540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 12973, 25946, 51892, 64865, 90811, 103784, 129730, 181622, 259460, 363244, 454055, 518920, 635677, 726488, 908110, 1271354, 1816220, 2542708, 3178385, 3632440, 5085416, 6356770, 12713540, 25427080]

約数ペア:

[(1, 25427080), (2, 12713540), (4, 6356770), (5, 5085416), (7, 3632440), (8, 3178385), (10, 2542708), (14, 1816220), (20, 1271354), (28, 908110), (35, 726488), (40, 635677), (49, 518920), (56, 454055), (70, 363244), (98, 259460), (140, 181622), (196, 129730), (245, 103784), (280, 90811), (392, 64865), (490, 51892), (980, 25946), (1960, 12973)]