20178532325

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1287

約数の個数: 96

約数和(自身を含む): 30508047360

約数和(自身を除く): 10329515035

約数列:

[1, 5, 7, 25, 35, 41, 47, 53, 175, 205, 235, 265, 287, 329, 371, 1025, 1129, 1175, 1325, 1435, 1645, 1855, 1927, 2173, 2491, 5645, 7175, 7903, 8225, 9275, 9635, 10865, 12455, 13489, 15211, 17437, 28225, 39515, 46289, 48175, 53063, 54325, 59837, 62275, 67445, 76055, 87185, 102131, 197575, 231445, 265315, 299185, 324023, 337225, 371441, 380275, 418859, 435925, 510655, 714917, 1157225, 1326575, 1495925, 1620115, 1857205, 2094295, 2175583, 2453317, 2553275, 2812339, 3574585, 8100575, 9286025, 10471475, 10877915, 12266585, 14061695, 15229081, 17173219, 17872925, 19686373, 54389575, 61332925, 70308475, 76145405, 85866095, 98431865, 115305899, 380727025, 429330475, 492159325, 576529495, 807141293, 2882647475, 4035706465, 20178532325]

約数ペア:

[(1, 20178532325), (5, 4035706465), (7, 2882647475), (25, 807141293), (35, 576529495), (41, 492159325), (47, 429330475), (53, 380727025), (175, 115305899), (205, 98431865), (235, 85866095), (265, 76145405), (287, 70308475), (329, 61332925), (371, 54389575), (1025, 19686373), (1129, 17872925), (1175, 17173219), (1325, 15229081), (1435, 14061695), (1645, 12266585), (1855, 10877915), (1927, 10471475), (2173, 9286025), (2491, 8100575), (5645, 3574585), (7175, 2812339), (7903, 2553275), (8225, 2453317), (9275, 2175583), (9635, 2094295), (10865, 1857205), (12455, 1620115), (13489, 1495925), (15211, 1326575), (17437, 1157225), (28225, 714917), (39515, 510655), (46289, 435925), (48175, 418859), (53063, 380275), (54325, 371441), (59837, 337225), (62275, 324023), (67445, 299185), (76055, 265315), (87185, 231445), (102131, 197575)]