31198540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38047}}^1$

素因数の和:38097

約数の個数: 24

約数和(自身を含む): 67116672

約数和(自身を除く): 35918132

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38047, 76094, 152188, 190235, 380470, 760940, 1559927, 3119854, 6239708, 7799635, 15599270, 31198540]

約数ペア:

[(1, 31198540), (2, 15599270), (4, 7799635), (5, 6239708), (10, 3119854), (20, 1559927), (41, 760940), (82, 380470), (164, 190235), (205, 152188), (410, 76094), (820, 38047)]