49777960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6317}}^1$

素因数の和:6525

約数の個数: 32

約数和(自身を含む): 112586760

約数和(自身を除く): 62808800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 6317, 7880, 12634, 25268, 31585, 50536, 63170, 126340, 252680, 1244449, 2488898, 4977796, 6222245, 9955592, 12444490, 24888980, 49777960]

約数ペア:

[(1, 49777960), (2, 24888980), (4, 12444490), (5, 9955592), (8, 6222245), (10, 4977796), (20, 2488898), (40, 1244449), (197, 252680), (394, 126340), (788, 63170), (985, 50536), (1576, 31585), (1970, 25268), (3940, 12634), (6317, 7880)]