25479020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{25999}}^1$

素因数の和:26022

約数の個数: 36

約数和(自身を含む): 62244000

約数和(自身を除く): 36764980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 25999, 51998, 103996, 129995, 181993, 259990, 363986, 519980, 727972, 909965, 1273951, 1819930, 2547902, 3639860, 5095804, 6369755, 12739510, 25479020]

約数ペア:

[(1, 25479020), (2, 12739510), (4, 6369755), (5, 5095804), (7, 3639860), (10, 2547902), (14, 1819930), (20, 1273951), (28, 909965), (35, 727972), (49, 519980), (70, 363986), (98, 259990), (140, 181993), (196, 129995), (245, 103996), (490, 51998), (980, 25999)]