2001060980

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{156089}}^1$

素因数の和:156739

約数の個数: 24

約数和(自身を含む): 4208810760

約数和(自身を除く): 2207749780

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 156089, 312178, 624356, 780445, 1560890, 3121780, 100053049, 200106098, 400212196, 500265245, 1000530490, 2001060980]

約数ペア:

[(1, 2001060980), (2, 1000530490), (4, 500265245), (5, 400212196), (10, 200106098), (20, 100053049), (641, 3121780), (1282, 1560890), (2564, 780445), (3205, 624356), (6410, 312178), (12820, 156089)]