About the Number

90121120

90121119 ← → 90121121

2進数表記:101010111110010001110100000

漢数字表記:九千十二万千百二十

素因数分解:

2 5 × 5 1 × 43 1 × 13099 1

素因数の和:13157
約数の個数: 48
約数和(自身を含む): 217879200
約数和(自身を除く): 127758080

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 13099, 26198, 52396, 65495, 104792, 130990, 209584, 261980, 419168, 523960, 563257, 1047920, 1126514, 2095840, 2253028, 2816285, 4506056, 5632570, 9012112, 11265140, 18024224, 22530280, 45060560, 90121120]

約数ペア:
[(1, 90121120), (2, 45060560), (4, 22530280), (5, 18024224), (8, 11265140), (10, 9012112), (16, 5632570), (20, 4506056), (32, 2816285), (40, 2253028), (43, 2095840), (80, 1126514), (86, 1047920), (160, 563257), (172, 523960), (215, 419168), (344, 261980), (430, 209584), (688, 130990), (860, 104792), (1376, 65495), (1720, 52396), (3440, 26198), (6880, 13099)]

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