28628480

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 80

約数和(自身を含む): 70267824

約数和(自身を除く): 41639344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 211, 212, 256, 265, 320, 422, 424, 512, 530, 640, 844, 848, 1055, 1060, 1280, 1688, 1696, 2110, 2120, 2560, 3376, 3392, 4220, 4240, 6752, 6784, 8440, 8480, 11183, 13504, 13568, 16880, 16960, 22366, 27008, 27136, 33760, 33920, 44732, 54016, 55915, 67520, 67840, 89464, 108032, 111830, 135040, 135680, 178928, 223660, 270080, 357856, 447320, 540160, 715712, 894640, 1431424, 1789280, 2862848, 3578560, 5725696, 7157120, 14314240, 28628480]

約数ペア:

[(1, 28628480), (2, 14314240), (4, 7157120), (5, 5725696), (8, 3578560), (10, 2862848), (16, 1789280), (20, 1431424), (32, 894640), (40, 715712), (53, 540160), (64, 447320), (80, 357856), (106, 270080), (128, 223660), (160, 178928), (211, 135680), (212, 135040), (256, 111830), (265, 108032), (320, 89464), (422, 67840), (424, 67520), (512, 55915), (530, 54016), (640, 44732), (844, 33920), (848, 33760), (1055, 27136), (1060, 27008), (1280, 22366), (1688, 16960), (1696, 16880), (2110, 13568), (2120, 13504), (2560, 11183), (3376, 8480), (3392, 8440), (4220, 6784), (4240, 6752)]