64773860

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{28661}}^1$

素因数の和:28783

約数の個数: 24

約数和(自身を含む): 137233656

約数和(自身を除く): 72459796

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 28661, 57322, 114644, 143305, 286610, 573220, 3238693, 6477386, 12954772, 16193465, 32386930, 64773860]

約数ペア:

[(1, 64773860), (2, 32386930), (4, 16193465), (5, 12954772), (10, 6477386), (20, 3238693), (113, 573220), (226, 286610), (452, 143305), (565, 114644), (1130, 57322), (2260, 28661)]