42078640

素因数分解:

$2^4\times 5^1\times {\mathrm{525983}}^1$

素因数の和:525996

約数の個数: 20

約数和(自身を含む): 97833024

約数和(自身を除く): 55754384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 525983, 1051966, 2103932, 2629915, 4207864, 5259830, 8415728, 10519660, 21039320, 42078640]

約数ペア:

[(1, 42078640), (2, 21039320), (4, 10519660), (5, 8415728), (8, 5259830), (10, 4207864), (16, 2629915), (20, 2103932), (40, 1051966), (80, 525983)]