About the Number

31080940

31080939 ← → 31080941

2進数表記:1110110100100000111101100

漢数字表記:三千百八万九百四十

素因数分解:

2 2 × 5 1 × 11 1 × 141277 1

素因数の和:141297
約数の個数: 24
約数和(自身を含む): 71204112
約数和(自身を除く): 40123172

約数列:
[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 141277, 282554, 565108, 706385, 1412770, 1554047, 2825540, 3108094, 6216188, 7770235, 15540470, 31080940]

約数ペア:
[(1, 31080940), (2, 15540470), (4, 7770235), (5, 6216188), (10, 3108094), (11, 2825540), (20, 1554047), (22, 1412770), (44, 706385), (55, 565108), (110, 282554), (220, 141277)]

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