7857156980

素因数分解:

$2^2\times 5^1\times {\mathrm{39953}}^1\times {\mathrm{9833}}^1$

素因数の和:49795

約数の個数: 24

約数和(自身を含む): 16502120712

約数和(自身を除く): 8644963732

約数列:

[1, 2, 4, 5, 10, 20, 9833, 19666, 39332, 39953, 49165, 79906, 98330, 159812, 196660, 199765, 399530, 799060, 392857849, 785715698, 1571431396, 1964289245, 3928578490, 7857156980]

約数ペア:

[(1, 7857156980), (2, 3928578490), (4, 1964289245), (5, 1571431396), (10, 785715698), (20, 392857849), (9833, 799060), (19666, 399530), (39332, 199765), (39953, 196660), (49165, 159812), (79906, 98330)]