16256540

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2027}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 34240752

約数和(自身を除く): 17984212

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 2027, 4010, 4054, 8020, 8108, 10135, 20270, 40540, 812827, 1625654, 3251308, 4064135, 8128270, 16256540]

約数ペア:

[(1, 16256540), (2, 8128270), (4, 4064135), (5, 3251308), (10, 1625654), (20, 812827), (401, 40540), (802, 20270), (1604, 10135), (2005, 8108), (2027, 8020), (4010, 4054)]