51252091600

素因数分解:

$2^4\times 5^2\times {\mathrm{251}}^1\times {\mathrm{631}}^1\times {\mathrm{809}}^1$

素因数の和:1709

約数の個数: 120

約数和(自身を含む): 123972690240

約数和(自身を除く): 72720598640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 251, 400, 502, 631, 809, 1004, 1255, 1262, 1618, 2008, 2510, 2524, 3155, 3236, 4016, 4045, 5020, 5048, 6275, 6310, 6472, 8090, 10040, 10096, 12550, 12620, 12944, 15775, 16180, 20080, 20225, 25100, 25240, 31550, 32360, 40450, 50200, 50480, 63100, 64720, 80900, 100400, 126200, 158381, 161800, 203059, 252400, 316762, 323600, 406118, 510479, 633524, 791905, 812236, 1015295, 1020958, 1267048, 1583810, 1624472, 2030590, 2041916, 2534096, 2552395, 3167620, 3248944, 3959525, 4061180, 4083832, 5076475, 5104790, 6335240, 7919050, 8122360, 8167664, 10152950, 10209580, 12670480, 12761975, 15838100, 16244720, 20305900, 20419160, 25523950, 31676200, 40611800, 40838320, 51047900, 63352400, 81223600, 102095800, 128130229, 204191600, 256260458, 512520916, 640651145, 1025041832, 1281302290, 2050083664, 2562604580, 3203255725, 5125209160, 6406511450, 10250418320, 12813022900, 25626045800, 51252091600]

約数ペア:

[(1, 51252091600), (2, 25626045800), (4, 12813022900), (5, 10250418320), (8, 6406511450), (10, 5125209160), (16, 3203255725), (20, 2562604580), (25, 2050083664), (40, 1281302290), (50, 1025041832), (80, 640651145), (100, 512520916), (200, 256260458), (251, 204191600), (400, 128130229), (502, 102095800), (631, 81223600), (809, 63352400), (1004, 51047900), (1255, 40838320), (1262, 40611800), (1618, 31676200), (2008, 25523950), (2510, 20419160), (2524, 20305900), (3155, 16244720), (3236, 15838100), (4016, 12761975), (4045, 12670480), (5020, 10209580), (5048, 10152950), (6275, 8167664), (6310, 8122360), (6472, 7919050), (8090, 6335240), (10040, 5104790), (10096, 5076475), (12550, 4083832), (12620, 4061180), (12944, 3959525), (15775, 3248944), (16180, 3167620), (20080, 2552395), (20225, 2534096), (25100, 2041916), (25240, 2030590), (31550, 1624472), (32360, 1583810), (40450, 1267048), (50200, 1020958), (50480, 1015295), (63100, 812236), (64720, 791905), (80900, 633524), (100400, 510479), (126200, 406118), (158381, 323600), (161800, 316762), (203059, 252400)]