28155680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1093}}^1$

素因数の和:1138

約数の個数: 96

約数和(自身を含む): 79398144

約数和(自身を除く): 51242464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1093, 1120, 1288, 1610, 1840, 2186, 2576, 3220, 3680, 4372, 5152, 5465, 6440, 7651, 8744, 10930, 12880, 15302, 17488, 21860, 25139, 25760, 30604, 34976, 38255, 43720, 50278, 61208, 76510, 87440, 100556, 122416, 125695, 153020, 174880, 175973, 201112, 244832, 251390, 306040, 351946, 402224, 502780, 612080, 703892, 804448, 879865, 1005560, 1224160, 1407784, 1759730, 2011120, 2815568, 3519460, 4022240, 5631136, 7038920, 14077840, 28155680]

約数ペア:

[(1, 28155680), (2, 14077840), (4, 7038920), (5, 5631136), (7, 4022240), (8, 3519460), (10, 2815568), (14, 2011120), (16, 1759730), (20, 1407784), (23, 1224160), (28, 1005560), (32, 879865), (35, 804448), (40, 703892), (46, 612080), (56, 502780), (70, 402224), (80, 351946), (92, 306040), (112, 251390), (115, 244832), (140, 201112), (160, 175973), (161, 174880), (184, 153020), (224, 125695), (230, 122416), (280, 100556), (322, 87440), (368, 76510), (460, 61208), (560, 50278), (644, 43720), (736, 38255), (805, 34976), (920, 30604), (1093, 25760), (1120, 25139), (1288, 21860), (1610, 17488), (1840, 15302), (2186, 12880), (2576, 10930), (3220, 8744), (3680, 7651), (4372, 6440), (5152, 5465)]