42073840

素因数分解:

$2^4\times 5^1\times {\mathrm{525923}}^1$

素因数の和:525936

約数の個数: 20

約数和(自身を含む): 97821864

約数和(自身を除く): 55748024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525923, 1051846, 2103692, 2629615, 4207384, 5259230, 8414768, 10518460, 21036920, 42073840]

約数ペア:

[(1, 42073840), (2, 21036920), (4, 10518460), (5, 8414768), (8, 5259230), (10, 4207384), (16, 2629615), (20, 2103692), (40, 1051846), (80, 525923)]