About the Number

13181090

13181089 ← → 13181091

2進数表記:110010010010000010100010

漢数字表記:千三百十八万千九十

素因数分解:

2 1 × 5 1 × 13 1 × 41 1 × 2473 1

素因数の和:2534
約数の個数: 32
約数和(自身を含む): 26184816
約数和(自身を除く): 13003726

約数列:
[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2473, 2665, 4946, 5330, 12365, 24730, 32149, 64298, 101393, 160745, 202786, 321490, 506965, 1013930, 1318109, 2636218, 6590545, 13181090]

約数ペア:
[(1, 13181090), (2, 6590545), (5, 2636218), (10, 1318109), (13, 1013930), (26, 506965), (41, 321490), (65, 202786), (82, 160745), (130, 101393), (205, 64298), (410, 32149), (533, 24730), (1066, 12365), (2473, 5330), (2665, 4946)]

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