83454920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 192311280

約数和(自身を除く): 108856360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 137, 157, 194, 274, 314, 388, 485, 548, 628, 685, 776, 785, 970, 1096, 1256, 1370, 1570, 1940, 2740, 3140, 3880, 5480, 6280, 13289, 15229, 21509, 26578, 30458, 43018, 53156, 60916, 66445, 76145, 86036, 106312, 107545, 121832, 132890, 152290, 172072, 215090, 265780, 304580, 430180, 531560, 609160, 860360, 2086373, 4172746, 8345492, 10431865, 16690984, 20863730, 41727460, 83454920]

約数ペア:

[(1, 83454920), (2, 41727460), (4, 20863730), (5, 16690984), (8, 10431865), (10, 8345492), (20, 4172746), (40, 2086373), (97, 860360), (137, 609160), (157, 531560), (194, 430180), (274, 304580), (314, 265780), (388, 215090), (485, 172072), (548, 152290), (628, 132890), (685, 121832), (776, 107545), (785, 106312), (970, 86036), (1096, 76145), (1256, 66445), (1370, 60916), (1570, 53156), (1940, 43018), (2740, 30458), (3140, 26578), (3880, 21509), (5480, 15229), (6280, 13289)]