20100642940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1\times {\mathrm{4177}}^1$

素因数の和:5159

約数の個数: 96

約数和(自身を含む): 49610574720

約数和(自身を除く): 29509931780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 929, 1036, 1295, 1858, 2590, 3716, 4177, 4645, 5180, 6503, 8354, 9290, 13006, 16708, 18580, 20885, 26012, 29239, 32515, 34373, 41770, 58478, 65030, 68746, 83540, 116956, 130060, 137492, 146195, 154549, 171865, 240611, 292390, 309098, 343730, 481222, 584780, 618196, 687460, 772745, 962444, 1081843, 1203055, 1545490, 2163686, 2406110, 3090980, 3880433, 4327372, 4812220, 5409215, 7760866, 10818430, 15521732, 19402165, 21636860, 27163031, 38804330, 54326062, 77608660, 108652124, 135815155, 143576021, 271630310, 287152042, 543260620, 574304084, 717880105, 1005032147, 1435760210, 2010064294, 2871520420, 4020128588, 5025160735, 10050321470, 20100642940]

約数ペア:

[(1, 20100642940), (2, 10050321470), (4, 5025160735), (5, 4020128588), (7, 2871520420), (10, 2010064294), (14, 1435760210), (20, 1005032147), (28, 717880105), (35, 574304084), (37, 543260620), (70, 287152042), (74, 271630310), (140, 143576021), (148, 135815155), (185, 108652124), (259, 77608660), (370, 54326062), (518, 38804330), (740, 27163031), (929, 21636860), (1036, 19402165), (1295, 15521732), (1858, 10818430), (2590, 7760866), (3716, 5409215), (4177, 4812220), (4645, 4327372), (5180, 3880433), (6503, 3090980), (8354, 2406110), (9290, 2163686), (13006, 1545490), (16708, 1203055), (18580, 1081843), (20885, 962444), (26012, 772745), (29239, 687460), (32515, 618196), (34373, 584780), (41770, 481222), (58478, 343730), (65030, 309098), (68746, 292390), (83540, 240611), (116956, 171865), (130060, 154549), (137492, 146195)]