About the Number

4000080

4000079 ← → 4000081

2進数表記:1111010000100101010000

漢数字表記:四百万八十

素因数分解:

2 4 × 3 1 × 5 1 × 7 1 × 2381 1

素因数の和:2404
約数の個数: 80
約数和(自身を含む): 14177664
約数和(自身を除く): 10177584

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 2381, 4762, 7143, 9524, 11905, 14286, 16667, 19048, 23810, 28572, 33334, 35715, 38096, 47620, 50001, 57144, 66668, 71430, 83335, 95240, 100002, 114288, 133336, 142860, 166670, 190480, 200004, 250005, 266672, 285720, 333340, 400008, 500010, 571440, 666680, 800016, 1000020, 1333360, 2000040, 4000080]

約数ペア:
[(1, 4000080), (2, 2000040), (3, 1333360), (4, 1000020), (5, 800016), (6, 666680), (7, 571440), (8, 500010), (10, 400008), (12, 333340), (14, 285720), (15, 266672), (16, 250005), (20, 200004), (21, 190480), (24, 166670), (28, 142860), (30, 133336), (35, 114288), (40, 100002), (42, 95240), (48, 83335), (56, 71430), (60, 66668), (70, 57144), (80, 50001), (84, 47620), (105, 38096), (112, 35715), (120, 33334), (140, 28572), (168, 23810), (210, 19048), (240, 16667), (280, 14286), (336, 11905), (420, 9524), (560, 7143), (840, 4762), (1680, 2381)]

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