About the Number

207440080

207440079 ← → 207440081

2進数表記:1100010111010100100011010000

漢数字表記:二億七百四十四万八十

素因数分解:

2 4 × 5 1 × 109 1 × 23789 1

素因数の和:23911
約数の個数: 40
約数和(自身を含む): 486743400
約数和(自身を除く): 279303320

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 23789, 47578, 95156, 118945, 190312, 237890, 380624, 475780, 951560, 1903120, 2593001, 5186002, 10372004, 12965005, 20744008, 25930010, 41488016, 51860020, 103720040, 207440080]

約数ペア:
[(1, 207440080), (2, 103720040), (4, 51860020), (5, 41488016), (8, 25930010), (10, 20744008), (16, 12965005), (20, 10372004), (40, 5186002), (80, 2593001), (109, 1903120), (218, 951560), (436, 475780), (545, 380624), (872, 237890), (1090, 190312), (1744, 118945), (2180, 95156), (4360, 47578), (8720, 23789)]

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