7909940

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{641}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 16663752

約数和(自身を除く): 8753812

約数列:

[1, 2, 4, 5, 10, 20, 617, 641, 1234, 1282, 2468, 2564, 3085, 3205, 6170, 6410, 12340, 12820, 395497, 790994, 1581988, 1977485, 3954970, 7909940]

約数ペア:

[(1, 7909940), (2, 3954970), (4, 1977485), (5, 1581988), (10, 790994), (20, 395497), (617, 12820), (641, 12340), (1234, 6410), (1282, 6170), (2468, 3205), (2564, 3085)]