About the Number

42421280

42421279 ← → 42421281

2進数表記:10100001110100110000100000

漢数字表記:四千二百四十二万千二百八十

素因数分解:

2 5 × 5 1 × 11 1 × 24103 1

素因数の和:24129
約数の個数: 48
約数和(自身を含む): 109335744
約数和(自身を除く): 66914464

約数列:
[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 24103, 48206, 96412, 120515, 192824, 241030, 265133, 385648, 482060, 530266, 771296, 964120, 1060532, 1325665, 1928240, 2121064, 2651330, 3856480, 4242128, 5302660, 8484256, 10605320, 21210640, 42421280]

約数ペア:
[(1, 42421280), (2, 21210640), (4, 10605320), (5, 8484256), (8, 5302660), (10, 4242128), (11, 3856480), (16, 2651330), (20, 2121064), (22, 1928240), (32, 1325665), (40, 1060532), (44, 964120), (55, 771296), (80, 530266), (88, 482060), (110, 385648), (160, 265133), (176, 241030), (220, 192824), (352, 120515), (440, 96412), (880, 48206), (1760, 24103)]

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