78060980

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{6089}}^1$

素因数の和:6739

約数の個数: 24

約数和(自身を含む): 164210760

約数和(自身を除く): 86149780

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6089, 6410, 12178, 12820, 24356, 30445, 60890, 121780, 3903049, 7806098, 15612196, 19515245, 39030490, 78060980]

約数ペア:

[(1, 78060980), (2, 39030490), (4, 19515245), (5, 15612196), (10, 7806098), (20, 3903049), (641, 121780), (1282, 60890), (2564, 30445), (3205, 24356), (6089, 12820), (6410, 12178)]