About the Number

28001120

28001119 ← → 28001121

2進数表記:1101010110100001101100000

漢数字表記:二千八百万千百二十

素因数分解:

2 5 × 5 1 × 7 1 × 23 1 × 1087 1

素因数の和:1132
約数の個数: 96
約数和(自身を含む): 78962688
約数和(自身を除く): 50961568

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1087, 1120, 1288, 1610, 1840, 2174, 2576, 3220, 3680, 4348, 5152, 5435, 6440, 7609, 8696, 10870, 12880, 15218, 17392, 21740, 25001, 25760, 30436, 34784, 38045, 43480, 50002, 60872, 76090, 86960, 100004, 121744, 125005, 152180, 173920, 175007, 200008, 243488, 250010, 304360, 350014, 400016, 500020, 608720, 700028, 800032, 875035, 1000040, 1217440, 1400056, 1750070, 2000080, 2800112, 3500140, 4000160, 5600224, 7000280, 14000560, 28001120]

約数ペア:
[(1, 28001120), (2, 14000560), (4, 7000280), (5, 5600224), (7, 4000160), (8, 3500140), (10, 2800112), (14, 2000080), (16, 1750070), (20, 1400056), (23, 1217440), (28, 1000040), (32, 875035), (35, 800032), (40, 700028), (46, 608720), (56, 500020), (70, 400016), (80, 350014), (92, 304360), (112, 250010), (115, 243488), (140, 200008), (160, 175007), (161, 173920), (184, 152180), (224, 125005), (230, 121744), (280, 100004), (322, 86960), (368, 76090), (460, 60872), (560, 50002), (644, 43480), (736, 38045), (805, 34784), (920, 30436), (1087, 25760), (1120, 25001), (1288, 21740), (1610, 17392), (1840, 15218), (2174, 12880), (2576, 10870), (3220, 8696), (3680, 7609), (4348, 6440), (5152, 5435)]

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