79980500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{8419}}^1$

素因数の和:8457

約数の個数: 48

約数和(自身を含む): 183892800

約数和(自身を除く): 103912300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 8419, 9500, 16838, 33676, 42095, 84190, 159961, 168380, 210475, 319922, 420950, 639844, 799805, 841900, 1052375, 1599610, 2104750, 3199220, 3999025, 4209500, 7998050, 15996100, 19995125, 39990250, 79980500]

約数ペア:

[(1, 79980500), (2, 39990250), (4, 19995125), (5, 15996100), (10, 7998050), (19, 4209500), (20, 3999025), (25, 3199220), (38, 2104750), (50, 1599610), (76, 1052375), (95, 841900), (100, 799805), (125, 639844), (190, 420950), (250, 319922), (380, 210475), (475, 168380), (500, 159961), (950, 84190), (1900, 42095), (2375, 33676), (4750, 16838), (8419, 9500)]