About the Number
28009920
2進数表記:1101010110110010111000000
漢数字表記:二千八百万九千九百二十
素因数分解:
素因数の和:362
約数の個数: 112
約数和(自身を含む): 89976960
約数和(自身を除く): 61967040
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, 160, 163, 179, 192, 240, 320, 326, 358, 480, 489, 537, 652, 716, 815, 895, 960, 978, 1074, 1304, 1432, 1630, 1790, 1956, 2148, 2445, 2608, 2685, 2864, 3260, 3580, 3912, 4296, 4890, 5216, 5370, 5728, 6520, 7160, 7824, 8592, 9780, 10432, 10740, 11456, 13040, 14320, 15648, 17184, 19560, 21480, 26080, 28640, 29177, 31296, 34368, 39120, 42960, 52160, 57280, 58354, 78240, 85920, 87531, 116708, 145885, 156480, 171840, 175062, 233416, 291770, 350124, 437655, 466832, 583540, 700248, 875310, 933664, 1167080, 1400496, 1750620, 1867328, 2334160, 2800992, 3501240, 4668320, 5601984, 7002480, 9336640, 14004960, 28009920]
約数ペア:
[(1, 28009920), (2, 14004960), (3, 9336640), (4, 7002480), (5, 5601984), (6, 4668320), (8, 3501240), (10, 2800992), (12, 2334160), (15, 1867328), (16, 1750620), (20, 1400496), (24, 1167080), (30, 933664), (32, 875310), (40, 700248), (48, 583540), (60, 466832), (64, 437655), (80, 350124), (96, 291770), (120, 233416), (160, 175062), (163, 171840), (179, 156480), (192, 145885), (240, 116708), (320, 87531), (326, 85920), (358, 78240), (480, 58354), (489, 57280), (537, 52160), (652, 42960), (716, 39120), (815, 34368), (895, 31296), (960, 29177), (978, 28640), (1074, 26080), (1304, 21480), (1432, 19560), (1630, 17184), (1790, 15648), (1956, 14320), (2148, 13040), (2445, 11456), (2608, 10740), (2685, 10432), (2864, 9780), (3260, 8592), (3580, 7824), (3912, 7160), (4296, 6520), (4890, 5728), (5216, 5370)]このpageの処理時間: 0.00611114501953125 seconds