2016115220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{161807}}^1$

素因数の和:161912

約数の個数: 48

約数和(自身を含む): 4893073920

約数和(自身を除く): 2876958700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 161807, 323614, 647228, 809035, 1132649, 1618070, 2265298, 3236140, 4530596, 5663245, 11326490, 14400823, 22652980, 28801646, 57603292, 72004115, 100805761, 144008230, 201611522, 288016460, 403223044, 504028805, 1008057610, 2016115220]

約数ペア:

[(1, 2016115220), (2, 1008057610), (4, 504028805), (5, 403223044), (7, 288016460), (10, 201611522), (14, 144008230), (20, 100805761), (28, 72004115), (35, 57603292), (70, 28801646), (89, 22652980), (140, 14400823), (178, 11326490), (356, 5663245), (445, 4530596), (623, 3236140), (890, 2265298), (1246, 1618070), (1780, 1132649), (2492, 809035), (3115, 647228), (6230, 323614), (12460, 161807)]