About the Number

12009840

12009839 ← → 12009841

2進数表記:101101110100000101110000

漢数字表記:千二百万九千八百四十

素因数分解:

2 4 × 3 1 × 5 1 × 163 1 × 307 1

素因数の和:486
約数の個数: 80
約数和(自身を含む): 37580928
約数和(自身を除く): 25571088

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 307, 326, 489, 614, 652, 815, 921, 978, 1228, 1304, 1535, 1630, 1842, 1956, 2445, 2456, 2608, 3070, 3260, 3684, 3912, 4605, 4890, 4912, 6140, 6520, 7368, 7824, 9210, 9780, 12280, 13040, 14736, 18420, 19560, 24560, 36840, 39120, 50041, 73680, 100082, 150123, 200164, 250205, 300246, 400328, 500410, 600492, 750615, 800656, 1000820, 1200984, 1501230, 2001640, 2401968, 3002460, 4003280, 6004920, 12009840]

約数ペア:
[(1, 12009840), (2, 6004920), (3, 4003280), (4, 3002460), (5, 2401968), (6, 2001640), (8, 1501230), (10, 1200984), (12, 1000820), (15, 800656), (16, 750615), (20, 600492), (24, 500410), (30, 400328), (40, 300246), (48, 250205), (60, 200164), (80, 150123), (120, 100082), (163, 73680), (240, 50041), (307, 39120), (326, 36840), (489, 24560), (614, 19560), (652, 18420), (815, 14736), (921, 13040), (978, 12280), (1228, 9780), (1304, 9210), (1535, 7824), (1630, 7368), (1842, 6520), (1956, 6140), (2445, 4912), (2456, 4890), (2608, 4605), (3070, 3912), (3260, 3684)]

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