About the Number

123880

123879 ← → 123881

2進数表記:11110001111101000

漢数字表記:十二万三千八百八十

素因数分解:

2 3 × 5 1 × 19 1 × 163 1

素因数の和:193
約数の個数: 32
約数和(自身を含む): 295200
約数和(自身を除く): 171320

約数列:
[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 326, 380, 652, 760, 815, 1304, 1630, 3097, 3260, 6194, 6520, 12388, 15485, 24776, 30970, 61940, 123880]

約数ペア:
[(1, 123880), (2, 61940), (4, 30970), (5, 24776), (8, 15485), (10, 12388), (19, 6520), (20, 6194), (38, 3260), (40, 3097), (76, 1630), (95, 1304), (152, 815), (163, 760), (190, 652), (326, 380)]

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