40386008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 81920160

約数和(自身を除く): 41534152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 1511, 2056, 3022, 3341, 6044, 6682, 12088, 13364, 19643, 26728, 39286, 78572, 157144, 388327, 776654, 1553308, 3106616, 5048251, 10096502, 20193004, 40386008]

約数ペア:

[(1, 40386008), (2, 20193004), (4, 10096502), (8, 5048251), (13, 3106616), (26, 1553308), (52, 776654), (104, 388327), (257, 157144), (514, 78572), (1028, 39286), (1511, 26728), (2056, 19643), (3022, 13364), (3341, 12088), (6044, 6682)]