80571136

素因数分解:

$2^8\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1148

約数の個数: 36

約数和(自身を含む): 161406504

約数和(自身を除く): 80835368

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 491, 641, 982, 1282, 1964, 2564, 3928, 5128, 7856, 10256, 15712, 20512, 31424, 41024, 62848, 82048, 125696, 164096, 314731, 629462, 1258924, 2517848, 5035696, 10071392, 20142784, 40285568, 80571136]

約数ペア:

[(1, 80571136), (2, 40285568), (4, 20142784), (8, 10071392), (16, 5035696), (32, 2517848), (64, 1258924), (128, 629462), (256, 314731), (491, 164096), (641, 125696), (982, 82048), (1282, 62848), (1964, 41024), (2564, 31424), (3928, 20512), (5128, 15712), (7856, 10256)]