2019455425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{8363}}^1$

素因数の和:9129

約数の個数: 24

約数和(自身を含む): 2700702144

約数和(自身を除く): 681246719

約数列:

[1, 5, 13, 25, 65, 325, 743, 3715, 8363, 9659, 18575, 41815, 48295, 108719, 209075, 241475, 543595, 2717975, 6213709, 31068545, 80778217, 155342725, 403891085, 2019455425]

約数ペア:

[(1, 2019455425), (5, 403891085), (13, 155342725), (25, 80778217), (65, 31068545), (325, 6213709), (743, 2717975), (3715, 543595), (8363, 241475), (9659, 209075), (18575, 108719), (41815, 48295)]