20512073440

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{51137}}^1$

素因数の和:51284

約数の個数: 96

約数和(自身を含む): 51031632960

約数和(自身を除く): 30519559520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 109, 115, 160, 184, 218, 230, 368, 436, 460, 545, 736, 872, 920, 1090, 1744, 1840, 2180, 2507, 3488, 3680, 4360, 5014, 8720, 10028, 12535, 17440, 20056, 25070, 40112, 50140, 51137, 80224, 100280, 102274, 200560, 204548, 255685, 401120, 409096, 511370, 818192, 1022740, 1176151, 1636384, 2045480, 2352302, 4090960, 4704604, 5573933, 5880755, 8181920, 9409208, 11147866, 11761510, 18818416, 22295732, 23523020, 27869665, 37636832, 44591464, 47046040, 55739330, 89182928, 94092080, 111478660, 128200459, 178365856, 188184160, 222957320, 256400918, 445914640, 512801836, 641002295, 891829280, 1025603672, 1282004590, 2051207344, 2564009180, 4102414688, 5128018360, 10256036720, 20512073440]

約数ペア:

[(1, 20512073440), (2, 10256036720), (4, 5128018360), (5, 4102414688), (8, 2564009180), (10, 2051207344), (16, 1282004590), (20, 1025603672), (23, 891829280), (32, 641002295), (40, 512801836), (46, 445914640), (80, 256400918), (92, 222957320), (109, 188184160), (115, 178365856), (160, 128200459), (184, 111478660), (218, 94092080), (230, 89182928), (368, 55739330), (436, 47046040), (460, 44591464), (545, 37636832), (736, 27869665), (872, 23523020), (920, 22295732), (1090, 18818416), (1744, 11761510), (1840, 11147866), (2180, 9409208), (2507, 8181920), (3488, 5880755), (3680, 5573933), (4360, 4704604), (5014, 4090960), (8720, 2352302), (10028, 2045480), (12535, 1636384), (17440, 1176151), (20056, 1022740), (25070, 818192), (40112, 511370), (50140, 409096), (51137, 401120), (80224, 255685), (100280, 204548), (102274, 200560)]