12995450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19993}}^1$

素因数の和:20018

約数の個数: 24

約数和(自身を含む): 26032188

約数和(自身を除く): 13036738

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19993, 39986, 99965, 199930, 259909, 499825, 519818, 999650, 1299545, 2599090, 6497725, 12995450]

約数ペア:

[(1, 12995450), (2, 6497725), (5, 2599090), (10, 1299545), (13, 999650), (25, 519818), (26, 499825), (50, 259909), (65, 199930), (130, 99965), (325, 39986), (650, 19993)]