80371520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13219}}^1$

素因数の和:13255

約数の個数: 56

約数和(自身を含む): 201472800

約数和(自身を除く): 121101280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 13219, 26438, 52876, 66095, 105752, 132190, 211504, 251161, 264380, 423008, 502322, 528760, 846016, 1004644, 1057520, 1255805, 2009288, 2115040, 2511610, 4018576, 4230080, 5023220, 8037152, 10046440, 16074304, 20092880, 40185760, 80371520]

約数ペア:

[(1, 80371520), (2, 40185760), (4, 20092880), (5, 16074304), (8, 10046440), (10, 8037152), (16, 5023220), (19, 4230080), (20, 4018576), (32, 2511610), (38, 2115040), (40, 2009288), (64, 1255805), (76, 1057520), (80, 1004644), (95, 846016), (152, 528760), (160, 502322), (190, 423008), (304, 264380), (320, 251161), (380, 211504), (608, 132190), (760, 105752), (1216, 66095), (1520, 52876), (3040, 26438), (6080, 13219)]