4157840

素因数分解:

$2^4\times 5^1\times {\mathrm{51973}}^1$

素因数の和:51986

約数の個数: 20

約数和(自身を含む): 9667164

約数和(自身を除く): 5509324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51973, 103946, 207892, 259865, 415784, 519730, 831568, 1039460, 2078920, 4157840]

約数ペア:

[(1, 4157840), (2, 2078920), (4, 1039460), (5, 831568), (8, 519730), (10, 415784), (16, 259865), (20, 207892), (40, 103946), (80, 51973)]