52449800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20173}}^1$

素因数の和:20202

約数の個数: 48

約数和(自身を含む): 131332740

約数和(自身を除く): 78882940

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 20173, 40346, 80692, 100865, 161384, 201730, 262249, 403460, 504325, 524498, 806920, 1008650, 1048996, 1311245, 2017300, 2097992, 2622490, 4034600, 5244980, 6556225, 10489960, 13112450, 26224900, 52449800]

約数ペア:

[(1, 52449800), (2, 26224900), (4, 13112450), (5, 10489960), (8, 6556225), (10, 5244980), (13, 4034600), (20, 2622490), (25, 2097992), (26, 2017300), (40, 1311245), (50, 1048996), (52, 1008650), (65, 806920), (100, 524498), (104, 504325), (130, 403460), (200, 262249), (260, 201730), (325, 161384), (520, 100865), (650, 80692), (1300, 40346), (2600, 20173)]