131410880

素因数分解:

$2^6\times 5^1\times {\mathrm{410659}}^1$

素因数の和:410676

約数の個数: 28

約数和(自身を含む): 312922920

約数和(自身を除く): 181512040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 410659, 821318, 1642636, 2053295, 3285272, 4106590, 6570544, 8213180, 13141088, 16426360, 26282176, 32852720, 65705440, 131410880]

約数ペア:

[(1, 131410880), (2, 65705440), (4, 32852720), (5, 26282176), (8, 16426360), (10, 13141088), (16, 8213180), (20, 6570544), (32, 4106590), (40, 3285272), (64, 2053295), (80, 1642636), (160, 821318), (320, 410659)]