About the Number

2080676720

2080676719 ← → 2080676721

2進数表記:1111100000001001001101101110000

漢数字表記:二十億八千六十七万六千七百二十

素因数分解:

2 4 × 5 1 × 79 1 × 401 1 × 821 1

素因数の和:1314
約数の個数: 80
約数和(自身を含む): 4917006720
約数和(自身を除く): 2836330000

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 401, 632, 790, 802, 821, 1264, 1580, 1604, 1642, 2005, 3160, 3208, 3284, 4010, 4105, 6320, 6416, 6568, 8020, 8210, 13136, 16040, 16420, 31679, 32080, 32840, 63358, 64859, 65680, 126716, 129718, 158395, 253432, 259436, 316790, 324295, 329221, 506864, 518872, 633580, 648590, 658442, 1037744, 1267160, 1297180, 1316884, 1646105, 2534320, 2594360, 2633768, 3292210, 5188720, 5267536, 6584420, 13168840, 26008459, 26337680, 52016918, 104033836, 130042295, 208067672, 260084590, 416135344, 520169180, 1040338360, 2080676720]

約数ペア:
[(1, 2080676720), (2, 1040338360), (4, 520169180), (5, 416135344), (8, 260084590), (10, 208067672), (16, 130042295), (20, 104033836), (40, 52016918), (79, 26337680), (80, 26008459), (158, 13168840), (316, 6584420), (395, 5267536), (401, 5188720), (632, 3292210), (790, 2633768), (802, 2594360), (821, 2534320), (1264, 1646105), (1580, 1316884), (1604, 1297180), (1642, 1267160), (2005, 1037744), (3160, 658442), (3208, 648590), (3284, 633580), (4010, 518872), (4105, 506864), (6320, 329221), (6416, 324295), (6568, 316790), (8020, 259436), (8210, 253432), (13136, 158395), (16040, 129718), (16420, 126716), (31679, 65680), (32080, 64859), (32840, 63358)]

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