About the Number

28112640

28112639 ← → 28112641

2進数表記:1101011001111011100000000

漢数字表記:二千八百十一万二千六百四十

素因数分解:

2 8 × 3 1 × 5 1 × 7321 1

素因数の和:7345
約数の個数: 72
約数和(自身を含む): 89797008
約数和(自身を除く): 61684368

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 7321, 14642, 21963, 29284, 36605, 43926, 58568, 73210, 87852, 109815, 117136, 146420, 175704, 219630, 234272, 292840, 351408, 439260, 468544, 585680, 702816, 878520, 937088, 1171360, 1405632, 1757040, 1874176, 2342720, 2811264, 3514080, 4685440, 5622528, 7028160, 9370880, 14056320, 28112640]

約数ペア:
[(1, 28112640), (2, 14056320), (3, 9370880), (4, 7028160), (5, 5622528), (6, 4685440), (8, 3514080), (10, 2811264), (12, 2342720), (15, 1874176), (16, 1757040), (20, 1405632), (24, 1171360), (30, 937088), (32, 878520), (40, 702816), (48, 585680), (60, 468544), (64, 439260), (80, 351408), (96, 292840), (120, 234272), (128, 219630), (160, 175704), (192, 146420), (240, 117136), (256, 109815), (320, 87852), (384, 73210), (480, 58568), (640, 43926), (768, 36605), (960, 29284), (1280, 21963), (1920, 14642), (3840, 7321)]

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