254219480

素因数分解:

$2^3\times 5^1\times {\mathrm{6355487}}^1$

素因数の和:6355498

約数の個数: 16

約数和(自身を含む): 571993920

約数和(自身を除く): 317774440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6355487, 12710974, 25421948, 31777435, 50843896, 63554870, 127109740, 254219480]

約数ペア:

[(1, 254219480), (2, 127109740), (4, 63554870), (5, 50843896), (8, 31777435), (10, 25421948), (20, 12710974), (40, 6355487)]