2009686720

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:590

約数の個数: 112

約数和(自身を含む): 4866656256

約数和(自身を除く): 2856969536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 191, 251, 262, 320, 382, 502, 524, 655, 764, 955, 1004, 1048, 1255, 1310, 1528, 1910, 2008, 2096, 2510, 2620, 3056, 3820, 4016, 4192, 5020, 5240, 6112, 7640, 8032, 8384, 10040, 10480, 12224, 15280, 16064, 20080, 20960, 25021, 30560, 32881, 40160, 41920, 47941, 50042, 61120, 65762, 80320, 95882, 100084, 125105, 131524, 164405, 191764, 200168, 239705, 250210, 263048, 328810, 383528, 400336, 479410, 500420, 526096, 657620, 767056, 800672, 958820, 1000840, 1052192, 1315240, 1534112, 1601344, 1917640, 2001680, 2104384, 2630480, 3068224, 3835280, 4003360, 5260960, 6280271, 7670560, 8006720, 10521920, 12560542, 15341120, 25121084, 31401355, 50242168, 62802710, 100484336, 125605420, 200968672, 251210840, 401937344, 502421680, 1004843360, 2009686720]

約数ペア:

[(1, 2009686720), (2, 1004843360), (4, 502421680), (5, 401937344), (8, 251210840), (10, 200968672), (16, 125605420), (20, 100484336), (32, 62802710), (40, 50242168), (64, 31401355), (80, 25121084), (131, 15341120), (160, 12560542), (191, 10521920), (251, 8006720), (262, 7670560), (320, 6280271), (382, 5260960), (502, 4003360), (524, 3835280), (655, 3068224), (764, 2630480), (955, 2104384), (1004, 2001680), (1048, 1917640), (1255, 1601344), (1310, 1534112), (1528, 1315240), (1910, 1052192), (2008, 1000840), (2096, 958820), (2510, 800672), (2620, 767056), (3056, 657620), (3820, 526096), (4016, 500420), (4192, 479410), (5020, 400336), (5240, 383528), (6112, 328810), (7640, 263048), (8032, 250210), (8384, 239705), (10040, 200168), (10480, 191764), (12224, 164405), (15280, 131524), (16064, 125105), (20080, 100084), (20960, 95882), (25021, 80320), (30560, 65762), (32881, 61120), (40160, 50042), (41920, 47941)]