About the Number

25202640

25202639 ← → 25202641

2進数表記:1100000001000111111010000

漢数字表記:二千五百二十万二千六百四十

素因数分解:

2 4 × 3 1 × 5 1 × 173 1 × 607 1

素因数の和:796
約数の個数: 80
約数和(自身を含む): 78709248
約数和(自身を除く): 53506608

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 607, 692, 865, 1038, 1214, 1384, 1730, 1821, 2076, 2428, 2595, 2768, 3035, 3460, 3642, 4152, 4856, 5190, 6070, 6920, 7284, 8304, 9105, 9712, 10380, 12140, 13840, 14568, 18210, 20760, 24280, 29136, 36420, 41520, 48560, 72840, 105011, 145680, 210022, 315033, 420044, 525055, 630066, 840088, 1050110, 1260132, 1575165, 1680176, 2100220, 2520264, 3150330, 4200440, 5040528, 6300660, 8400880, 12601320, 25202640]

約数ペア:
[(1, 25202640), (2, 12601320), (3, 8400880), (4, 6300660), (5, 5040528), (6, 4200440), (8, 3150330), (10, 2520264), (12, 2100220), (15, 1680176), (16, 1575165), (20, 1260132), (24, 1050110), (30, 840088), (40, 630066), (48, 525055), (60, 420044), (80, 315033), (120, 210022), (173, 145680), (240, 105011), (346, 72840), (519, 48560), (607, 41520), (692, 36420), (865, 29136), (1038, 24280), (1214, 20760), (1384, 18210), (1730, 14568), (1821, 13840), (2076, 12140), (2428, 10380), (2595, 9712), (2768, 9105), (3035, 8304), (3460, 7284), (3642, 6920), (4152, 6070), (4856, 5190)]

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