39978016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5653}}^1$

素因数の和:5693

約数の個数: 48

約数和(自身を含む): 89762904

約数和(自身を除く): 49784888

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 5653, 7072, 11306, 22612, 45224, 73489, 90448, 96101, 146978, 180896, 192202, 293956, 384404, 587912, 768808, 1175824, 1249313, 1537616, 2351648, 2498626, 3075232, 4997252, 9994504, 19989008, 39978016]

約数ペア:

[(1, 39978016), (2, 19989008), (4, 9994504), (8, 4997252), (13, 3075232), (16, 2498626), (17, 2351648), (26, 1537616), (32, 1249313), (34, 1175824), (52, 768808), (68, 587912), (104, 384404), (136, 293956), (208, 192202), (221, 180896), (272, 146978), (416, 96101), (442, 90448), (544, 73489), (884, 45224), (1768, 22612), (3536, 11306), (5653, 7072)]