84805120

素因数分解:

$2^9\times 5^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 80

約数和(自身を含む): 205598448

約数和(自身を除く): 120793328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 211, 256, 314, 320, 422, 512, 628, 640, 785, 844, 1055, 1256, 1280, 1570, 1688, 2110, 2512, 2560, 3140, 3376, 4220, 5024, 6280, 6752, 8440, 10048, 12560, 13504, 16880, 20096, 25120, 27008, 33127, 33760, 40192, 50240, 54016, 66254, 67520, 80384, 100480, 108032, 132508, 135040, 165635, 200960, 265016, 270080, 331270, 401920, 530032, 540160, 662540, 1060064, 1325080, 2120128, 2650160, 4240256, 5300320, 8480512, 10600640, 16961024, 21201280, 42402560, 84805120]

約数ペア:

[(1, 84805120), (2, 42402560), (4, 21201280), (5, 16961024), (8, 10600640), (10, 8480512), (16, 5300320), (20, 4240256), (32, 2650160), (40, 2120128), (64, 1325080), (80, 1060064), (128, 662540), (157, 540160), (160, 530032), (211, 401920), (256, 331270), (314, 270080), (320, 265016), (422, 200960), (512, 165635), (628, 135040), (640, 132508), (785, 108032), (844, 100480), (1055, 80384), (1256, 67520), (1280, 66254), (1570, 54016), (1688, 50240), (2110, 40192), (2512, 33760), (2560, 33127), (3140, 27008), (3376, 25120), (4220, 20096), (5024, 16880), (6280, 13504), (6752, 12560), (8440, 10048)]