26440160

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:915

約数の個数: 48

約数和(自身を含む): 62805456

約数和(自身を除く): 36365296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 643, 1028, 1285, 1286, 2056, 2570, 2572, 3215, 4112, 5140, 5144, 6430, 8224, 10280, 10288, 12860, 20560, 20576, 25720, 41120, 51440, 102880, 165251, 330502, 661004, 826255, 1322008, 1652510, 2644016, 3305020, 5288032, 6610040, 13220080, 26440160]

約数ペア:

[(1, 26440160), (2, 13220080), (4, 6610040), (5, 5288032), (8, 3305020), (10, 2644016), (16, 1652510), (20, 1322008), (32, 826255), (40, 661004), (80, 330502), (160, 165251), (257, 102880), (514, 51440), (643, 41120), (1028, 25720), (1285, 20576), (1286, 20560), (2056, 12860), (2570, 10288), (2572, 10280), (3215, 8224), (4112, 6430), (5140, 5144)]