78325640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14293}}^1$

素因数の和:14441

約数の個数: 32

約数和(自身を含む): 177531480

約数和(自身を除く): 99205840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14293, 28586, 57172, 71465, 114344, 142930, 285860, 571720, 1958141, 3916282, 7832564, 9790705, 15665128, 19581410, 39162820, 78325640]

約数ペア:

[(1, 78325640), (2, 39162820), (4, 19581410), (5, 15665128), (8, 9790705), (10, 7832564), (20, 3916282), (40, 1958141), (137, 571720), (274, 285860), (548, 142930), (685, 114344), (1096, 71465), (1370, 57172), (2740, 28586), (5480, 14293)]