28696640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:604

約数の個数: 112

約数和(自身を含む): 81637632

約数和(自身を除く): 52940992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 557, 560, 644, 736, 805, 920, 1114, 1120, 1288, 1472, 1610, 1840, 2228, 2240, 2576, 2785, 3220, 3680, 3899, 4456, 5152, 5570, 6440, 7360, 7798, 8912, 10304, 11140, 12811, 12880, 15596, 17824, 19495, 22280, 25622, 25760, 31192, 35648, 38990, 44560, 51244, 51520, 62384, 64055, 77980, 89120, 89677, 102488, 124768, 128110, 155960, 178240, 179354, 204976, 249536, 256220, 311920, 358708, 409952, 448385, 512440, 623840, 717416, 819904, 896770, 1024880, 1247680, 1434832, 1793540, 2049760, 2869664, 3587080, 4099520, 5739328, 7174160, 14348320, 28696640]

約数ペア:

[(1, 28696640), (2, 14348320), (4, 7174160), (5, 5739328), (7, 4099520), (8, 3587080), (10, 2869664), (14, 2049760), (16, 1793540), (20, 1434832), (23, 1247680), (28, 1024880), (32, 896770), (35, 819904), (40, 717416), (46, 623840), (56, 512440), (64, 448385), (70, 409952), (80, 358708), (92, 311920), (112, 256220), (115, 249536), (140, 204976), (160, 179354), (161, 178240), (184, 155960), (224, 128110), (230, 124768), (280, 102488), (320, 89677), (322, 89120), (368, 77980), (448, 64055), (460, 62384), (557, 51520), (560, 51244), (644, 44560), (736, 38990), (805, 35648), (920, 31192), (1114, 25760), (1120, 25622), (1288, 22280), (1472, 19495), (1610, 17824), (1840, 15596), (2228, 12880), (2240, 12811), (2576, 11140), (2785, 10304), (3220, 8912), (3680, 7798), (3899, 7360), (4456, 6440), (5152, 5570)]