15996100

素因数分解:

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

素因数の和:8452

約数の個数: 36

約数和(自身を含む): 36542800

約数和(自身を除く): 20546700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 8419, 16838, 33676, 42095, 84190, 159961, 168380, 210475, 319922, 420950, 639844, 799805, 841900, 1599610, 3199220, 3999025, 7998050, 15996100]

約数ペア:

[(1, 15996100), (2, 7998050), (4, 3999025), (5, 3199220), (10, 1599610), (19, 841900), (20, 799805), (25, 639844), (38, 420950), (50, 319922), (76, 210475), (95, 168380), (100, 159961), (190, 84190), (380, 42095), (475, 33676), (950, 16838), (1900, 8419)]