80900480

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6653}}^1$

素因数の和:6691

約数の個数: 64

約数和(自身を含む): 203612400

約数和(自身を除く): 122711920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 6653, 12160, 13306, 26612, 33265, 53224, 66530, 106448, 126407, 133060, 212896, 252814, 266120, 425792, 505628, 532240, 632035, 851584, 1011256, 1064480, 1264070, 2022512, 2128960, 2528140, 4045024, 4257920, 5056280, 8090048, 10112560, 16180096, 20225120, 40450240, 80900480]

約数ペア:

[(1, 80900480), (2, 40450240), (4, 20225120), (5, 16180096), (8, 10112560), (10, 8090048), (16, 5056280), (19, 4257920), (20, 4045024), (32, 2528140), (38, 2128960), (40, 2022512), (64, 1264070), (76, 1064480), (80, 1011256), (95, 851584), (128, 632035), (152, 532240), (160, 505628), (190, 425792), (304, 266120), (320, 252814), (380, 212896), (608, 133060), (640, 126407), (760, 106448), (1216, 66530), (1520, 53224), (2432, 33265), (3040, 26612), (6080, 13306), (6653, 12160)]