About the Number

12791480

12791479 ← → 12791481

2進数表記:110000110010111010111000

漢数字表記:千二百七十九万千四百八十

素因数分解:

2 3 × 5 1 × 13 1 × 17 1 × 1447 1

素因数の和:1488
約数の個数: 64
約数和(自身を含む): 32840640
約数和(自身を除く): 20049160

約数列:
[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1447, 1768, 2210, 2894, 4420, 5788, 7235, 8840, 11576, 14470, 18811, 24599, 28940, 37622, 49198, 57880, 75244, 94055, 98396, 122995, 150488, 188110, 196792, 245990, 319787, 376220, 491980, 639574, 752440, 983960, 1279148, 1598935, 2558296, 3197870, 6395740, 12791480]

約数ペア:
[(1, 12791480), (2, 6395740), (4, 3197870), (5, 2558296), (8, 1598935), (10, 1279148), (13, 983960), (17, 752440), (20, 639574), (26, 491980), (34, 376220), (40, 319787), (52, 245990), (65, 196792), (68, 188110), (85, 150488), (104, 122995), (130, 98396), (136, 94055), (170, 75244), (221, 57880), (260, 49198), (340, 37622), (442, 28940), (520, 24599), (680, 18811), (884, 14470), (1105, 11576), (1447, 8840), (1768, 7235), (2210, 5788), (2894, 4420)]

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