About the Number

90808640

90808639 ← → 90808641

2進数表記:101011010011010000101000000

漢数字表記:九千八十万八千六百四十

素因数分解:

2 6 × 5 1 × 13 1 × 83 1 × 263 1

素因数の和:376
約数の個数: 112
約数和(自身を含む): 236573568
約数和(自身を除く): 145764928

約数列:
[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 130, 160, 166, 208, 260, 263, 320, 332, 415, 416, 520, 526, 664, 830, 832, 1040, 1052, 1079, 1315, 1328, 1660, 2080, 2104, 2158, 2630, 2656, 3320, 3419, 4160, 4208, 4316, 5260, 5312, 5395, 6640, 6838, 8416, 8632, 10520, 10790, 13280, 13676, 16832, 17095, 17264, 21040, 21580, 21829, 26560, 27352, 34190, 34528, 42080, 43160, 43658, 54704, 68380, 69056, 84160, 86320, 87316, 109145, 109408, 136760, 172640, 174632, 218290, 218816, 273520, 283777, 345280, 349264, 436580, 547040, 567554, 698528, 873160, 1094080, 1135108, 1397056, 1418885, 1746320, 2270216, 2837770, 3492640, 4540432, 5675540, 6985280, 9080864, 11351080, 18161728, 22702160, 45404320, 90808640]

約数ペア:
[(1, 90808640), (2, 45404320), (4, 22702160), (5, 18161728), (8, 11351080), (10, 9080864), (13, 6985280), (16, 5675540), (20, 4540432), (26, 3492640), (32, 2837770), (40, 2270216), (52, 1746320), (64, 1418885), (65, 1397056), (80, 1135108), (83, 1094080), (104, 873160), (130, 698528), (160, 567554), (166, 547040), (208, 436580), (260, 349264), (263, 345280), (320, 283777), (332, 273520), (415, 218816), (416, 218290), (520, 174632), (526, 172640), (664, 136760), (830, 109408), (832, 109145), (1040, 87316), (1052, 86320), (1079, 84160), (1315, 69056), (1328, 68380), (1660, 54704), (2080, 43658), (2104, 43160), (2158, 42080), (2630, 34528), (2656, 34190), (3320, 27352), (3419, 26560), (4160, 21829), (4208, 21580), (4316, 21040), (5260, 17264), (5312, 17095), (5395, 16832), (6640, 13676), (6838, 13280), (8416, 10790), (8632, 10520)]

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