About the Number

12601280

12601279 ← → 12601281

2進数表記:110000000100011111000000

漢数字表記:千二百六十万千二百八十

素因数分解:

2 6 × 5 1 × 53 1 × 743 1

素因数の和:813
約数の個数: 56
約数和(自身を含む): 30614112
約数和(自身を除く): 18012832

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 743, 848, 1060, 1486, 1696, 2120, 2972, 3392, 3715, 4240, 5944, 7430, 8480, 11888, 14860, 16960, 23776, 29720, 39379, 47552, 59440, 78758, 118880, 157516, 196895, 237760, 315032, 393790, 630064, 787580, 1260128, 1575160, 2520256, 3150320, 6300640, 12601280]

約数ペア:
[(1, 12601280), (2, 6300640), (4, 3150320), (5, 2520256), (8, 1575160), (10, 1260128), (16, 787580), (20, 630064), (32, 393790), (40, 315032), (53, 237760), (64, 196895), (80, 157516), (106, 118880), (160, 78758), (212, 59440), (265, 47552), (320, 39379), (424, 29720), (530, 23776), (743, 16960), (848, 14860), (1060, 11888), (1486, 8480), (1696, 7430), (2120, 5944), (2972, 4240), (3392, 3715)]

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