81545425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3023}}^1$

素因数の和:3129

約数の個数: 24

約数和(自身を含む): 110242944

約数和(自身を除く): 28697519

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 1079, 2075, 3023, 5395, 15115, 26975, 39299, 75575, 196495, 250909, 982475, 1254545, 3261817, 6272725, 16309085, 81545425]

約数ペア:

[(1, 81545425), (5, 16309085), (13, 6272725), (25, 3261817), (65, 1254545), (83, 982475), (325, 250909), (415, 196495), (1079, 75575), (2075, 39299), (3023, 26975), (5395, 15115)]