About the Number

39806640

39806639 ← → 39806641

2進数表記:10010111110110011010110000

漢数字表記:三千九百八十万六千六百四十

素因数分解:

2 4 × 3 4 × 5 1 × 6143 1

素因数の和:6168
約数の個数: 100
約数和(自身を含む): 138276864
約数和(自身を除く): 98470224

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6143, 6480, 12286, 18429, 24572, 30715, 36858, 49144, 55287, 61430, 73716, 92145, 98288, 110574, 122860, 147432, 165861, 184290, 221148, 245720, 276435, 294864, 331722, 368580, 442296, 491440, 497583, 552870, 663444, 737160, 829305, 884592, 995166, 1105740, 1326888, 1474320, 1658610, 1990332, 2211480, 2487915, 2653776, 3317220, 3980664, 4422960, 4975830, 6634440, 7961328, 9951660, 13268880, 19903320, 39806640]

約数ペア:
[(1, 39806640), (2, 19903320), (3, 13268880), (4, 9951660), (5, 7961328), (6, 6634440), (8, 4975830), (9, 4422960), (10, 3980664), (12, 3317220), (15, 2653776), (16, 2487915), (18, 2211480), (20, 1990332), (24, 1658610), (27, 1474320), (30, 1326888), (36, 1105740), (40, 995166), (45, 884592), (48, 829305), (54, 737160), (60, 663444), (72, 552870), (80, 497583), (81, 491440), (90, 442296), (108, 368580), (120, 331722), (135, 294864), (144, 276435), (162, 245720), (180, 221148), (216, 184290), (240, 165861), (270, 147432), (324, 122860), (360, 110574), (405, 98288), (432, 92145), (540, 73716), (648, 61430), (720, 55287), (810, 49144), (1080, 36858), (1296, 30715), (1620, 24572), (2160, 18429), (3240, 12286), (6143, 6480)]

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