20111600

素因数分解:

$2^4\times 5^2\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:522

約数の個数: 60

約数和(自身を含む): 48803424

約数和(自身を除く): 28691824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 137, 200, 274, 367, 400, 548, 685, 734, 1096, 1370, 1468, 1835, 2192, 2740, 2936, 3425, 3670, 5480, 5872, 6850, 7340, 9175, 10960, 13700, 14680, 18350, 27400, 29360, 36700, 50279, 54800, 73400, 100558, 146800, 201116, 251395, 402232, 502790, 804464, 1005580, 1256975, 2011160, 2513950, 4022320, 5027900, 10055800, 20111600]

約数ペア:

[(1, 20111600), (2, 10055800), (4, 5027900), (5, 4022320), (8, 2513950), (10, 2011160), (16, 1256975), (20, 1005580), (25, 804464), (40, 502790), (50, 402232), (80, 251395), (100, 201116), (137, 146800), (200, 100558), (274, 73400), (367, 54800), (400, 50279), (548, 36700), (685, 29360), (734, 27400), (1096, 18350), (1370, 14680), (1468, 13700), (1835, 10960), (2192, 9175), (2740, 7340), (2936, 6850), (3425, 5872), (3670, 5480)]