2005700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:692

約数の個数: 36

約数和(自身を含む): 4499712

約数和(自身を除く): 2494012

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 647, 775, 1294, 1550, 2588, 3100, 3235, 6470, 12940, 16175, 20057, 32350, 40114, 64700, 80228, 100285, 200570, 401140, 501425, 1002850, 2005700]

約数ペア:

[(1, 2005700), (2, 1002850), (4, 501425), (5, 401140), (10, 200570), (20, 100285), (25, 80228), (31, 64700), (50, 40114), (62, 32350), (100, 20057), (124, 16175), (155, 12940), (310, 6470), (620, 3235), (647, 3100), (775, 2588), (1294, 1550)]