99750640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{431}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 254555136

約数和(自身を除く): 154804496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 263, 431, 440, 526, 862, 880, 1052, 1315, 1724, 2104, 2155, 2630, 2893, 3448, 4208, 4310, 4741, 5260, 5786, 6896, 8620, 9482, 10520, 11572, 14465, 17240, 18964, 21040, 23144, 23705, 28930, 34480, 37928, 46288, 47410, 57860, 75856, 94820, 113353, 115720, 189640, 226706, 231440, 379280, 453412, 566765, 906824, 1133530, 1246883, 1813648, 2267060, 2493766, 4534120, 4987532, 6234415, 9068240, 9975064, 12468830, 19950128, 24937660, 49875320, 99750640]

約数ペア:

[(1, 99750640), (2, 49875320), (4, 24937660), (5, 19950128), (8, 12468830), (10, 9975064), (11, 9068240), (16, 6234415), (20, 4987532), (22, 4534120), (40, 2493766), (44, 2267060), (55, 1813648), (80, 1246883), (88, 1133530), (110, 906824), (176, 566765), (220, 453412), (263, 379280), (431, 231440), (440, 226706), (526, 189640), (862, 115720), (880, 113353), (1052, 94820), (1315, 75856), (1724, 57860), (2104, 47410), (2155, 46288), (2630, 37928), (2893, 34480), (3448, 28930), (4208, 23705), (4310, 23144), (4741, 21040), (5260, 18964), (5786, 17240), (6896, 14465), (8620, 11572), (9482, 10520)]