About the Number

12472800

12472799 ← → 12472801

2進数表記:101111100101000111100000

漢数字表記:千二百四十七万二千八百

素因数分解:

2 5 × 3 1 × 5 2 × 5197 1

素因数の和:5220
約数の個数: 72
約数和(自身を含む): 40606776
約数和(自身を除く): 28133976

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400, 5197, 10394, 15591, 20788, 25985, 31182, 41576, 51970, 62364, 77955, 83152, 103940, 124728, 129925, 155910, 166304, 207880, 249456, 259850, 311820, 389775, 415760, 498912, 519700, 623640, 779550, 831520, 1039400, 1247280, 1559100, 2078800, 2494560, 3118200, 4157600, 6236400, 12472800]

約数ペア:
[(1, 12472800), (2, 6236400), (3, 4157600), (4, 3118200), (5, 2494560), (6, 2078800), (8, 1559100), (10, 1247280), (12, 1039400), (15, 831520), (16, 779550), (20, 623640), (24, 519700), (25, 498912), (30, 415760), (32, 389775), (40, 311820), (48, 259850), (50, 249456), (60, 207880), (75, 166304), (80, 155910), (96, 129925), (100, 124728), (120, 103940), (150, 83152), (160, 77955), (200, 62364), (240, 51970), (300, 41576), (400, 31182), (480, 25985), (600, 20788), (800, 15591), (1200, 10394), (2400, 5197)]

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