39888103660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^2$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 85355303040

約数和(自身を除く): 45467199380

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 223, 317, 356, 445, 446, 634, 890, 892, 1115, 1268, 1585, 1780, 2230, 3170, 4460, 6340, 19847, 28213, 39694, 56426, 70691, 79388, 99235, 100489, 112852, 141065, 141382, 198470, 200978, 282130, 282764, 353455, 396940, 401956, 502445, 564260, 706910, 1004890, 1413820, 2009780, 6291499, 8943521, 12582998, 17887042, 22409047, 25165996, 31457495, 35774084, 44717605, 44818094, 62914990, 89435210, 89636188, 112045235, 125829980, 178870420, 224090470, 448180940, 1994405183, 3988810366, 7977620732, 9972025915, 19944051830, 39888103660]

約数ペア:

[(1, 39888103660), (2, 19944051830), (4, 9972025915), (5, 7977620732), (10, 3988810366), (20, 1994405183), (89, 448180940), (178, 224090470), (223, 178870420), (317, 125829980), (356, 112045235), (445, 89636188), (446, 89435210), (634, 62914990), (890, 44818094), (892, 44717605), (1115, 35774084), (1268, 31457495), (1585, 25165996), (1780, 22409047), (2230, 17887042), (3170, 12582998), (4460, 8943521), (6340, 6291499), (19847, 2009780), (28213, 1413820), (39694, 1004890), (56426, 706910), (70691, 564260), (79388, 502445), (99235, 401956), (100489, 396940), (112852, 353455), (141065, 282764), (141382, 282130), (198470, 200978)]