88988680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{769}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 219542400

約数和(自身を除く): 130553720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 769, 1052, 1315, 1538, 2104, 2630, 2893, 3076, 3845, 5260, 5786, 6152, 7690, 8459, 10520, 11572, 14465, 15380, 16918, 23144, 28930, 30760, 33836, 42295, 57860, 67672, 84590, 115720, 169180, 202247, 338360, 404494, 808988, 1011235, 1617976, 2022470, 2224717, 4044940, 4449434, 8089880, 8898868, 11123585, 17797736, 22247170, 44494340, 88988680]

約数ペア:

[(1, 88988680), (2, 44494340), (4, 22247170), (5, 17797736), (8, 11123585), (10, 8898868), (11, 8089880), (20, 4449434), (22, 4044940), (40, 2224717), (44, 2022470), (55, 1617976), (88, 1011235), (110, 808988), (220, 404494), (263, 338360), (440, 202247), (526, 169180), (769, 115720), (1052, 84590), (1315, 67672), (1538, 57860), (2104, 42295), (2630, 33836), (2893, 30760), (3076, 28930), (3845, 23144), (5260, 16918), (5786, 15380), (6152, 14465), (7690, 11572), (8459, 10520)]