25478180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13999}}^1$

素因数の和:14028

約数の個数: 48

約数和(自身を含む): 65856000

約数和(自身を除く): 40377820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 13999, 27998, 55996, 69995, 97993, 139990, 181987, 195986, 279980, 363974, 391972, 489965, 727948, 909935, 979930, 1273909, 1819870, 1959860, 2547818, 3639740, 5095636, 6369545, 12739090, 25478180]

約数ペア:

[(1, 25478180), (2, 12739090), (4, 6369545), (5, 5095636), (7, 3639740), (10, 2547818), (13, 1959860), (14, 1819870), (20, 1273909), (26, 979930), (28, 909935), (35, 727948), (52, 489965), (65, 391972), (70, 363974), (91, 279980), (130, 195986), (140, 181987), (182, 139990), (260, 97993), (364, 69995), (455, 55996), (910, 27998), (1820, 13999)]