250528075240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22037}}^1\times {\mathrm{4003}}^1$

素因数の和:26122

約数の個数: 64

約数和(自身を含む): 571796184960

約数和(自身を除く): 321268109720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4003, 8006, 16012, 20015, 22037, 32024, 40030, 44074, 80060, 88148, 110185, 160120, 176296, 220370, 284213, 440740, 568426, 881480, 1136852, 1421065, 1564627, 2273704, 2842130, 3129254, 5684260, 6258508, 7823135, 11368520, 12517016, 15646270, 31292540, 62585080, 88214111, 176428222, 352856444, 441070555, 705712888, 882141110, 1764282220, 3528564440, 6263201881, 12526403762, 25052807524, 31316009405, 50105615048, 62632018810, 125264037620, 250528075240]

約数ペア:

[(1, 250528075240), (2, 125264037620), (4, 62632018810), (5, 50105615048), (8, 31316009405), (10, 25052807524), (20, 12526403762), (40, 6263201881), (71, 3528564440), (142, 1764282220), (284, 882141110), (355, 705712888), (568, 441070555), (710, 352856444), (1420, 176428222), (2840, 88214111), (4003, 62585080), (8006, 31292540), (16012, 15646270), (20015, 12517016), (22037, 11368520), (32024, 7823135), (40030, 6258508), (44074, 5684260), (80060, 3129254), (88148, 2842130), (110185, 2273704), (160120, 1564627), (176296, 1421065), (220370, 1136852), (284213, 881480), (440740, 568426)]