About the Number

28001040

28001039 ← → 28001041

2進数表記:1101010110100001100010000

漢数字表記:二千八百万千四十

素因数分解:

2 4 × 3 1 × 5 1 × 17 1 × 6863 1

素因数の和:6896
約数の個数: 80
約数和(自身を含む): 91922688
約数和(自身を除く): 63921648

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 6863, 13726, 20589, 27452, 34315, 41178, 54904, 68630, 82356, 102945, 109808, 116671, 137260, 164712, 205890, 233342, 274520, 329424, 350013, 411780, 466684, 549040, 583355, 700026, 823560, 933368, 1166710, 1400052, 1647120, 1750065, 1866736, 2333420, 2800104, 3500130, 4666840, 5600208, 7000260, 9333680, 14000520, 28001040]

約数ペア:
[(1, 28001040), (2, 14000520), (3, 9333680), (4, 7000260), (5, 5600208), (6, 4666840), (8, 3500130), (10, 2800104), (12, 2333420), (15, 1866736), (16, 1750065), (17, 1647120), (20, 1400052), (24, 1166710), (30, 933368), (34, 823560), (40, 700026), (48, 583355), (51, 549040), (60, 466684), (68, 411780), (80, 350013), (85, 329424), (102, 274520), (120, 233342), (136, 205890), (170, 164712), (204, 137260), (240, 116671), (255, 109808), (272, 102945), (340, 82356), (408, 68630), (510, 54904), (680, 41178), (816, 34315), (1020, 27452), (1360, 20589), (2040, 13726), (4080, 6863)]

このpageの処理時間: 0.018923282623291016 seconds