28324400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{419}}^1$

素因数の和:463

約数の個数: 90

約数和(自身を含む): 73862460

約数和(自身を除く): 45538060

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 419, 520, 650, 676, 838, 845, 1040, 1300, 1352, 1676, 1690, 2095, 2600, 2704, 3352, 3380, 4190, 4225, 5200, 5447, 6704, 6760, 8380, 8450, 10475, 10894, 13520, 16760, 16900, 20950, 21788, 27235, 33520, 33800, 41900, 43576, 54470, 67600, 70811, 83800, 87152, 108940, 136175, 141622, 167600, 217880, 272350, 283244, 354055, 435760, 544700, 566488, 708110, 1089400, 1132976, 1416220, 1770275, 2178800, 2832440, 3540550, 5664880, 7081100, 14162200, 28324400]

約数ペア:

[(1, 28324400), (2, 14162200), (4, 7081100), (5, 5664880), (8, 3540550), (10, 2832440), (13, 2178800), (16, 1770275), (20, 1416220), (25, 1132976), (26, 1089400), (40, 708110), (50, 566488), (52, 544700), (65, 435760), (80, 354055), (100, 283244), (104, 272350), (130, 217880), (169, 167600), (200, 141622), (208, 136175), (260, 108940), (325, 87152), (338, 83800), (400, 70811), (419, 67600), (520, 54470), (650, 43576), (676, 41900), (838, 33800), (845, 33520), (1040, 27235), (1300, 21788), (1352, 20950), (1676, 16900), (1690, 16760), (2095, 13520), (2600, 10894), (2704, 10475), (3352, 8450), (3380, 8380), (4190, 6760), (4225, 6704), (5200, 5447)]