8779120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 23802048

約数和(自身を除く): 15022928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 257, 280, 305, 427, 488, 514, 560, 610, 854, 976, 1028, 1220, 1285, 1708, 1799, 2056, 2135, 2440, 2570, 3416, 3598, 4112, 4270, 4880, 5140, 6832, 7196, 8540, 8995, 10280, 14392, 15677, 17080, 17990, 20560, 28784, 31354, 34160, 35980, 62708, 71960, 78385, 109739, 125416, 143920, 156770, 219478, 250832, 313540, 438956, 548695, 627080, 877912, 1097390, 1254160, 1755824, 2194780, 4389560, 8779120]

約数ペア:

[(1, 8779120), (2, 4389560), (4, 2194780), (5, 1755824), (7, 1254160), (8, 1097390), (10, 877912), (14, 627080), (16, 548695), (20, 438956), (28, 313540), (35, 250832), (40, 219478), (56, 156770), (61, 143920), (70, 125416), (80, 109739), (112, 78385), (122, 71960), (140, 62708), (244, 35980), (257, 34160), (280, 31354), (305, 28784), (427, 20560), (488, 17990), (514, 17080), (560, 15677), (610, 14392), (854, 10280), (976, 8995), (1028, 8540), (1220, 7196), (1285, 6832), (1708, 5140), (1799, 4880), (2056, 4270), (2135, 4112), (2440, 3598), (2570, 3416)]