40644656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{195407}}^1$

素因数の和:195428

約数の個数: 20

約数和(自身を含む): 84807072

約数和(自身を除く): 44162416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 195407, 390814, 781628, 1563256, 2540291, 3126512, 5080582, 10161164, 20322328, 40644656]

約数ペア:

[(1, 40644656), (2, 20322328), (4, 10161164), (8, 5080582), (13, 3126512), (16, 2540291), (26, 1563256), (52, 781628), (104, 390814), (208, 195407)]