128045450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{196993}}^1$

素因数の和:197018

約数の個数: 24

約数和(自身を含む): 256486188

約数和(自身を除く): 128440738

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 196993, 393986, 984965, 1969930, 2560909, 4924825, 5121818, 9849650, 12804545, 25609090, 64022725, 128045450]

約数ペア:

[(1, 128045450), (2, 64022725), (5, 25609090), (10, 12804545), (13, 9849650), (25, 5121818), (26, 4924825), (50, 2560909), (65, 1969930), (130, 984965), (325, 393986), (650, 196993)]