26791423880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1\times {\mathrm{1667}}^1$

素因数の和:2719

約数の個数: 128

約数和(自身を含む): 67119252480

約数和(自身を除く): 40327828600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 997, 1240, 1612, 1667, 1994, 2015, 3224, 3334, 3988, 4030, 4985, 6668, 7976, 8060, 8335, 9970, 12961, 13336, 16120, 16670, 19940, 21671, 25922, 30907, 33340, 39880, 43342, 51677, 51844, 61814, 64805, 66680, 86684, 103354, 103688, 108355, 123628, 129610, 154535, 173368, 206708, 216710, 247256, 258385, 259220, 309070, 401791, 413416, 433420, 516770, 518440, 618140, 671801, 803582, 866840, 1033540, 1236280, 1343602, 1607164, 1661999, 2008955, 2067080, 2687204, 3214328, 3323998, 3359005, 4017910, 5374408, 6647996, 6718010, 8035820, 8309995, 13295992, 13436020, 16071640, 16619990, 21605987, 26872040, 33239980, 43211974, 51521969, 66479960, 86423948, 103043938, 108029935, 172847896, 206087876, 216059870, 257609845, 412175752, 432119740, 515219690, 669785597, 864239480, 1030439380, 1339571194, 2060878760, 2679142388, 3348927985, 5358284776, 6697855970, 13395711940, 26791423880]

約数ペア:

[(1, 26791423880), (2, 13395711940), (4, 6697855970), (5, 5358284776), (8, 3348927985), (10, 2679142388), (13, 2060878760), (20, 1339571194), (26, 1030439380), (31, 864239480), (40, 669785597), (52, 515219690), (62, 432119740), (65, 412175752), (104, 257609845), (124, 216059870), (130, 206087876), (155, 172847896), (248, 108029935), (260, 103043938), (310, 86423948), (403, 66479960), (520, 51521969), (620, 43211974), (806, 33239980), (997, 26872040), (1240, 21605987), (1612, 16619990), (1667, 16071640), (1994, 13436020), (2015, 13295992), (3224, 8309995), (3334, 8035820), (3988, 6718010), (4030, 6647996), (4985, 5374408), (6668, 4017910), (7976, 3359005), (8060, 3323998), (8335, 3214328), (9970, 2687204), (12961, 2067080), (13336, 2008955), (16120, 1661999), (16670, 1607164), (19940, 1343602), (21671, 1236280), (25922, 1033540), (30907, 866840), (33340, 803582), (39880, 671801), (43342, 618140), (51677, 518440), (51844, 516770), (61814, 433420), (64805, 413416), (66680, 401791), (86684, 309070), (103354, 259220), (103688, 258385), (108355, 247256), (123628, 216710), (129610, 206708), (154535, 173368)]