56641780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1663}}^1$

素因数の和:1816

約数の個数: 48

約数和(自身を含む): 129153024

約数和(自身を除く): 72511244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1663, 1703, 2620, 3326, 3406, 6652, 6812, 8315, 8515, 16630, 17030, 21619, 33260, 34060, 43238, 86476, 108095, 216190, 217853, 432380, 435706, 871412, 1089265, 2178530, 2832089, 4357060, 5664178, 11328356, 14160445, 28320890, 56641780]

約数ペア:

[(1, 56641780), (2, 28320890), (4, 14160445), (5, 11328356), (10, 5664178), (13, 4357060), (20, 2832089), (26, 2178530), (52, 1089265), (65, 871412), (130, 435706), (131, 432380), (260, 217853), (262, 216190), (524, 108095), (655, 86476), (1310, 43238), (1663, 34060), (1703, 33260), (2620, 21619), (3326, 17030), (3406, 16630), (6652, 8515), (6812, 8315)]