About the Number

12792640

12792639 ← → 12792641

2進数表記:110000110011001101000000

漢数字表記:千二百七十九万二千六百四十

素因数分解:

2 6 × 5 1 × 7 1 × 5711 1

素因数の和:5735
約数の個数: 56
約数和(自身を含む): 34820352
約数和(自身を除く): 22027712

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 5711, 11422, 22844, 28555, 39977, 45688, 57110, 79954, 91376, 114220, 159908, 182752, 199885, 228440, 319816, 365504, 399770, 456880, 639632, 799540, 913760, 1279264, 1599080, 1827520, 2558528, 3198160, 6396320, 12792640]

約数ペア:
[(1, 12792640), (2, 6396320), (4, 3198160), (5, 2558528), (7, 1827520), (8, 1599080), (10, 1279264), (14, 913760), (16, 799540), (20, 639632), (28, 456880), (32, 399770), (35, 365504), (40, 319816), (56, 228440), (64, 199885), (70, 182752), (80, 159908), (112, 114220), (140, 91376), (160, 79954), (224, 57110), (280, 45688), (320, 39977), (448, 28555), (560, 22844), (1120, 11422), (2240, 5711)]

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