About the Number

128400672

128400671 ← → 128400673

2進数表記:111101001110011110100100000

漢数字表記:一億二千八百四十万六百七十二

素因数分解:

2 5 × 3 1 × 1337507 1

素因数の和:1337520
約数の個数: 24
約数和(自身を含む): 337052016
約数和(自身を除く): 208651344

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 1337507, 2675014, 4012521, 5350028, 8025042, 10700056, 16050084, 21400112, 32100168, 42800224, 64200336, 128400672]

約数ペア:
[(1, 128400672), (2, 64200336), (3, 42800224), (4, 32100168), (6, 21400112), (8, 16050084), (12, 10700056), (16, 8025042), (24, 5350028), (32, 4012521), (48, 2675014), (96, 1337507)]

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