About the Number

81096680

81096679 ← → 81096681

2進数表記:100110101010110111111101000

漢数字表記:八千百九万六千六百八十

素因数分解:

2 3 × 5 1 × 7 1 × 59 1 × 4909 1

素因数の和:4986
約数の個数: 64
約数和(自身を含む): 212112000
約数和(自身を除く): 131015320

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1652, 2065, 2360, 3304, 4130, 4909, 8260, 9818, 16520, 19636, 24545, 34363, 39272, 49090, 68726, 98180, 137452, 171815, 196360, 274904, 289631, 343630, 579262, 687260, 1158524, 1374520, 1448155, 2027417, 2317048, 2896310, 4054834, 5792620, 8109668, 10137085, 11585240, 16219336, 20274170, 40548340, 81096680]

約数ペア:
[(1, 81096680), (2, 40548340), (4, 20274170), (5, 16219336), (7, 11585240), (8, 10137085), (10, 8109668), (14, 5792620), (20, 4054834), (28, 2896310), (35, 2317048), (40, 2027417), (56, 1448155), (59, 1374520), (70, 1158524), (118, 687260), (140, 579262), (236, 343630), (280, 289631), (295, 274904), (413, 196360), (472, 171815), (590, 137452), (826, 98180), (1180, 68726), (1652, 49090), (2065, 39272), (2360, 34363), (3304, 24545), (4130, 19636), (4909, 16520), (8260, 9818)]

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