40448264

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{947}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 80200800

約数和(自身を除く): 39752536

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 281, 562, 947, 1124, 1894, 2248, 3788, 5339, 7576, 10678, 17993, 21356, 35986, 42712, 71972, 143944, 266107, 532214, 1064428, 2128856, 5056033, 10112066, 20224132, 40448264]

約数ペア:

[(1, 40448264), (2, 20224132), (4, 10112066), (8, 5056033), (19, 2128856), (38, 1064428), (76, 532214), (152, 266107), (281, 143944), (562, 71972), (947, 42712), (1124, 35986), (1894, 21356), (2248, 17993), (3788, 10678), (5339, 7576)]