25218387640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:1049

約数の個数: 128

約数和(自身を含む): 60324264000

約数和(自身を除く): 35105876360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 197, 380, 389, 394, 433, 760, 778, 788, 866, 985, 1556, 1576, 1732, 1945, 1970, 2165, 3112, 3464, 3743, 3890, 3940, 4330, 7391, 7486, 7780, 7880, 8227, 8660, 14782, 14972, 15560, 16454, 17320, 18715, 29564, 29944, 32908, 36955, 37430, 41135, 59128, 65816, 73910, 74860, 76633, 82270, 85301, 147820, 149720, 153266, 164540, 168437, 170602, 295640, 306532, 329080, 336874, 341204, 383165, 426505, 613064, 673748, 682408, 766330, 842185, 853010, 1347496, 1456027, 1532660, 1620719, 1684370, 1706020, 2912054, 3065320, 3200303, 3241438, 3368740, 3412040, 5824108, 6400606, 6482876, 6737480, 7280135, 8103595, 11648216, 12801212, 12965752, 14560270, 16001515, 16207190, 25602424, 29120540, 32003030, 32414380, 33182089, 58241080, 64006060, 64828760, 66364178, 128012120, 132728356, 165910445, 265456712, 331820890, 630459691, 663641780, 1260919382, 1327283560, 2521838764, 3152298455, 5043677528, 6304596910, 12609193820, 25218387640]

約数ペア:

[(1, 25218387640), (2, 12609193820), (4, 6304596910), (5, 5043677528), (8, 3152298455), (10, 2521838764), (19, 1327283560), (20, 1260919382), (38, 663641780), (40, 630459691), (76, 331820890), (95, 265456712), (152, 165910445), (190, 132728356), (197, 128012120), (380, 66364178), (389, 64828760), (394, 64006060), (433, 58241080), (760, 33182089), (778, 32414380), (788, 32003030), (866, 29120540), (985, 25602424), (1556, 16207190), (1576, 16001515), (1732, 14560270), (1945, 12965752), (1970, 12801212), (2165, 11648216), (3112, 8103595), (3464, 7280135), (3743, 6737480), (3890, 6482876), (3940, 6400606), (4330, 5824108), (7391, 3412040), (7486, 3368740), (7780, 3241438), (7880, 3200303), (8227, 3065320), (8660, 2912054), (14782, 1706020), (14972, 1684370), (15560, 1620719), (16454, 1532660), (17320, 1456027), (18715, 1347496), (29564, 853010), (29944, 842185), (32908, 766330), (36955, 682408), (37430, 673748), (41135, 613064), (59128, 426505), (65816, 383165), (73910, 341204), (74860, 336874), (76633, 329080), (82270, 306532), (85301, 295640), (147820, 170602), (149720, 168437), (153266, 164540)]