80328880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 196862400

約数和(自身を除く): 116533520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 149, 184, 230, 293, 298, 368, 460, 586, 596, 745, 920, 1172, 1192, 1465, 1490, 1840, 2344, 2384, 2930, 2980, 3427, 4688, 5860, 5960, 6739, 6854, 11720, 11920, 13478, 13708, 17135, 23440, 26956, 27416, 33695, 34270, 43657, 53912, 54832, 67390, 68540, 87314, 107824, 134780, 137080, 174628, 218285, 269560, 274160, 349256, 436570, 539120, 698512, 873140, 1004111, 1746280, 2008222, 3492560, 4016444, 5020555, 8032888, 10041110, 16065776, 20082220, 40164440, 80328880]

約数ペア:

[(1, 80328880), (2, 40164440), (4, 20082220), (5, 16065776), (8, 10041110), (10, 8032888), (16, 5020555), (20, 4016444), (23, 3492560), (40, 2008222), (46, 1746280), (80, 1004111), (92, 873140), (115, 698512), (149, 539120), (184, 436570), (230, 349256), (293, 274160), (298, 269560), (368, 218285), (460, 174628), (586, 137080), (596, 134780), (745, 107824), (920, 87314), (1172, 68540), (1192, 67390), (1465, 54832), (1490, 53912), (1840, 43657), (2344, 34270), (2384, 33695), (2930, 27416), (2980, 26956), (3427, 23440), (4688, 17135), (5860, 13708), (5960, 13478), (6739, 11920), (6854, 11720)]