28974760

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3677}}^1$

素因数の和:3885

約数の個数: 32

約数和(自身を含む): 65541960

約数和(自身を除く): 36567200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3677, 3940, 7354, 7880, 14708, 18385, 29416, 36770, 73540, 147080, 724369, 1448738, 2897476, 3621845, 5794952, 7243690, 14487380, 28974760]

約数ペア:

[(1, 28974760), (2, 14487380), (4, 7243690), (5, 5794952), (8, 3621845), (10, 2897476), (20, 1448738), (40, 724369), (197, 147080), (394, 73540), (788, 36770), (985, 29416), (1576, 18385), (1970, 14708), (3677, 7880), (3940, 7354)]