56640478940

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1\times {\mathrm{45377}}^1$

素因数の和:45974

約数の個数: 48

約数和(自身を含む): 120070188000

約数和(自身を除く): 63429709060

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 449, 556, 695, 898, 1390, 1796, 2245, 2780, 4490, 8980, 45377, 62411, 90754, 124822, 181508, 226885, 249644, 312055, 453770, 624110, 907540, 1248220, 6307403, 12614806, 20374273, 25229612, 31537015, 40748546, 63074030, 81497092, 101871365, 126148060, 203742730, 407485460, 2832023947, 5664047894, 11328095788, 14160119735, 28320239470, 56640478940]

約数ペア:

[(1, 56640478940), (2, 28320239470), (4, 14160119735), (5, 11328095788), (10, 5664047894), (20, 2832023947), (139, 407485460), (278, 203742730), (449, 126148060), (556, 101871365), (695, 81497092), (898, 63074030), (1390, 40748546), (1796, 31537015), (2245, 25229612), (2780, 20374273), (4490, 12614806), (8980, 6307403), (45377, 1248220), (62411, 907540), (90754, 624110), (124822, 453770), (181508, 312055), (226885, 249644)]