About the Number

106405780

106405779 ← → 106405781

2進数表記:110010101111001111110010100

漢数字表記:一億六百四十万五千七百八十

素因数分解:

2 2 × 5 1 × 13 2 × 31481 1

素因数の和:31516
約数の個数: 36
約数和(自身を含む): 241970652
約数和(自身を除く): 135564872

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 31481, 62962, 125924, 157405, 314810, 409253, 629620, 818506, 1637012, 2046265, 4092530, 5320289, 8185060, 10640578, 21281156, 26601445, 53202890, 106405780]

約数ペア:
[(1, 106405780), (2, 53202890), (4, 26601445), (5, 21281156), (10, 10640578), (13, 8185060), (20, 5320289), (26, 4092530), (52, 2046265), (65, 1637012), (130, 818506), (169, 629620), (260, 409253), (338, 314810), (676, 157405), (845, 125924), (1690, 62962), (3380, 31481)]

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