56882780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 123125184

約数和(自身を除く): 66242404

約数列:

[1, 2, 4, 5, 10, 20, 53, 103, 106, 206, 212, 265, 412, 515, 521, 530, 1030, 1042, 1060, 2060, 2084, 2605, 5210, 5459, 10420, 10918, 21836, 27295, 27613, 53663, 54590, 55226, 107326, 109180, 110452, 138065, 214652, 268315, 276130, 536630, 552260, 1073260, 2844139, 5688278, 11376556, 14220695, 28441390, 56882780]

約数ペア:

[(1, 56882780), (2, 28441390), (4, 14220695), (5, 11376556), (10, 5688278), (20, 2844139), (53, 1073260), (103, 552260), (106, 536630), (206, 276130), (212, 268315), (265, 214652), (412, 138065), (515, 110452), (521, 109180), (530, 107326), (1030, 55226), (1042, 54590), (1060, 53663), (2060, 27613), (2084, 27295), (2605, 21836), (5210, 10918), (5459, 10420)]