20171151520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1\times {\mathrm{7477}}^1$

素因数の和:8802

約数の個数: 96

約数和(自身を含む): 51366501648

約数和(自身を除く): 31195350128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1297, 2080, 2594, 5188, 6485, 7477, 10376, 12970, 14954, 16861, 20752, 25940, 29908, 33722, 37385, 41504, 51880, 59816, 67444, 74770, 84305, 97201, 103760, 119632, 134888, 149540, 168610, 194402, 207520, 239264, 269776, 299080, 337220, 388804, 486005, 539552, 598160, 674440, 777608, 972010, 1196320, 1348880, 1555216, 1944020, 2697760, 3110432, 3888040, 7776080, 9697669, 15552160, 19395338, 38790676, 48488345, 77581352, 96976690, 126069697, 155162704, 193953380, 252139394, 310325408, 387906760, 504278788, 630348485, 775813520, 1008557576, 1260696970, 1551627040, 2017115152, 2521393940, 4034230304, 5042787880, 10085575760, 20171151520]

約数ペア:

[(1, 20171151520), (2, 10085575760), (4, 5042787880), (5, 4034230304), (8, 2521393940), (10, 2017115152), (13, 1551627040), (16, 1260696970), (20, 1008557576), (26, 775813520), (32, 630348485), (40, 504278788), (52, 387906760), (65, 310325408), (80, 252139394), (104, 193953380), (130, 155162704), (160, 126069697), (208, 96976690), (260, 77581352), (416, 48488345), (520, 38790676), (1040, 19395338), (1297, 15552160), (2080, 9697669), (2594, 7776080), (5188, 3888040), (6485, 3110432), (7477, 2697760), (10376, 1944020), (12970, 1555216), (14954, 1348880), (16861, 1196320), (20752, 972010), (25940, 777608), (29908, 674440), (33722, 598160), (37385, 539552), (41504, 486005), (51880, 388804), (59816, 337220), (67444, 299080), (74770, 269776), (84305, 239264), (97201, 207520), (103760, 194402), (119632, 168610), (134888, 149540)]