2009320912

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 4121767440

約数和(自身を除く): 2112446528

約数列:

[1, 2, 4, 8, 16, 29, 58, 73, 116, 137, 146, 232, 274, 292, 433, 464, 548, 584, 866, 1096, 1168, 1732, 2117, 2192, 3464, 3973, 4234, 6928, 7946, 8468, 10001, 12557, 15892, 16936, 20002, 25114, 31609, 31784, 33872, 40004, 50228, 59321, 63218, 63568, 80008, 100456, 118642, 126436, 160016, 200912, 237284, 252872, 290029, 474568, 505744, 580058, 916661, 949136, 1160116, 1720309, 1833322, 2320232, 3440618, 3666644, 4330433, 4640464, 6881236, 7333288, 8660866, 13762472, 14666576, 17321732, 27524944, 34643464, 69286928, 125582557, 251165114, 502330228, 1004660456, 2009320912]

約数ペア:

[(1, 2009320912), (2, 1004660456), (4, 502330228), (8, 251165114), (16, 125582557), (29, 69286928), (58, 34643464), (73, 27524944), (116, 17321732), (137, 14666576), (146, 13762472), (232, 8660866), (274, 7333288), (292, 6881236), (433, 4640464), (464, 4330433), (548, 3666644), (584, 3440618), (866, 2320232), (1096, 1833322), (1168, 1720309), (1732, 1160116), (2117, 949136), (2192, 916661), (3464, 580058), (3973, 505744), (4234, 474568), (6928, 290029), (7946, 252872), (8468, 237284), (10001, 200912), (12557, 160016), (15892, 126436), (16936, 118642), (20002, 100456), (25114, 80008), (31609, 63568), (31784, 63218), (33872, 59321), (40004, 50228)]