25856272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{124309}}^1$

素因数の和:124330

約数の個数: 20

約数和(自身を含む): 53950540

約数和(自身を除く): 28094268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 124309, 248618, 497236, 994472, 1616017, 1988944, 3232034, 6464068, 12928136, 25856272]

約数ペア:

[(1, 25856272), (2, 12928136), (4, 6464068), (8, 3232034), (13, 1988944), (16, 1616017), (26, 994472), (52, 497236), (104, 248618), (208, 124309)]