40456208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2903}}^1$

素因数の和:2991

約数の個数: 40

約数和(自身を含む): 85702848

約数和(自身を除く): 45246640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2903, 3484, 5806, 6968, 11612, 13936, 23224, 37739, 46448, 75478, 150956, 194501, 301912, 389002, 603824, 778004, 1556008, 2528513, 3112016, 5057026, 10114052, 20228104, 40456208]

約数ペア:

[(1, 40456208), (2, 20228104), (4, 10114052), (8, 5057026), (13, 3112016), (16, 2528513), (26, 1556008), (52, 778004), (67, 603824), (104, 389002), (134, 301912), (208, 194501), (268, 150956), (536, 75478), (871, 46448), (1072, 37739), (1742, 23224), (2903, 13936), (3484, 11612), (5806, 6968)]