About the Number

12609980

12609979 ← → 12609981

2進数表記:110000000110100110111100

漢数字表記:千二百六十万九千九百八十

素因数分解:

2 2 × 5 1 × 23 1 × 79 1 × 347 1

素因数の和:458
約数の個数: 48
約数和(自身を含む): 28062720
約数和(自身を除く): 15452740

約数列:
[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 347, 395, 460, 694, 790, 1388, 1580, 1735, 1817, 3470, 3634, 6940, 7268, 7981, 9085, 15962, 18170, 27413, 31924, 36340, 39905, 54826, 79810, 109652, 137065, 159620, 274130, 548260, 630499, 1260998, 2521996, 3152495, 6304990, 12609980]

約数ペア:
[(1, 12609980), (2, 6304990), (4, 3152495), (5, 2521996), (10, 1260998), (20, 630499), (23, 548260), (46, 274130), (79, 159620), (92, 137065), (115, 109652), (158, 79810), (230, 54826), (316, 39905), (347, 36340), (395, 31924), (460, 27413), (694, 18170), (790, 15962), (1388, 9085), (1580, 7981), (1735, 7268), (1817, 6940), (3470, 3634)]

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